diff --git a/journals/models/publication.py b/journals/models/publication.py
index d7a254f1575a24aa79598bd65bc58dd97424c6aa..93620907075eed41e9bbb30b690ac0f95112cbe2 100644
--- a/journals/models/publication.py
+++ b/journals/models/publication.py
@@ -359,11 +359,6 @@ class Publication(models.Model):
         else:
             return 0
 
-    def get_similar_publications(self):
-        """Return 4 Publications with same subject area."""
-        return Publication.objects.published().filter(
-            subject_area=self.subject_area).exclude(id=self.id)[:4]
-
     def get_issue_related_publications(self):
         """Return 4 Publications within same Issue."""
         return Publication.objects.published().filter(
diff --git a/journals/templates/partials/journals/publication_li_content.html b/journals/templates/partials/journals/publication_li_content.html
index 35e052b23a0101efacf99adf877b46e06c37eb0c..505dde17df870f7bbbe04661f19709391ec35821 100644
--- a/journals/templates/partials/journals/publication_li_content.html
+++ b/journals/templates/partials/journals/publication_li_content.html
@@ -1,5 +1,11 @@
 <div class="li publication">
-  <h5 class="subject"><a href="{% url 'journals:publications' %}?subject={{ publication.subject_area }}" class="muted-link">{{ publication.get_subject_area_display }}</a></h5>
+  <h5 class="subject">
+    <a href="{% url 'journals:publications' %}?field={{ publication.acad_field.slug }}" class="muted-link">{{ publication.acad_field }}</a>:&nbsp;
+    {% for specialty in publication.specialties.all %}
+      <a href="{% url 'journals:publications' %}?specialty={{ specialty.slug }}" class="muted-link">{{ specialty }}</a>
+      {% if not forloop.last %}<strong>&nbsp;&bullet;&nbsp;</strong>{% endif %}
+    {% endfor %}
+  </h5>
   <h3 class="title"><a href="{{ publication.get_absolute_url }}">{{ publication.title }}</a></h3>
 
   <p class="authors">{{ publication.author_list }}</p>
diff --git a/ontology/models/branch.py b/ontology/models/branch.py
index 9fe4b56796052178f76f09827e729622b18f62c4..34db6ca1ebd85fbf6018c36bb54d3b9c1ac360b6 100644
--- a/ontology/models/branch.py
+++ b/ontology/models/branch.py
@@ -5,6 +5,7 @@ __license__ = "AGPL v3"
 from django.db import models
 
 from journals.models import Journal
+from submissions.models import Submission
 
 
 class Branch(models.Model):
@@ -37,3 +38,7 @@ class Branch(models.Model):
     @property
     def journals(self):
         return Journal.objects.filter(college__acad_field__branch=self.id)
+
+    @property
+    def submissions(self):
+        return Submission.objects.public_newest().filter(acad_field__branch=self.id)
diff --git a/scipost/models.py b/scipost/models.py
index fffbb902bf9e3b43de41651cfabc7dd4dcd3e209..054bbbb7e9b6f38773fe8d1ca4c1fb64016dbd43 100644
--- a/scipost/models.py
+++ b/scipost/models.py
@@ -158,12 +158,6 @@ class Contributor(models.Model):
         self.activation_key = hashlib.sha1(salt + feed).hexdigest()
         self.key_expires = timezone.now() + datetime.timedelta(days=2)
 
-    def expertises_as_string(self):
-        """Return joined expertises."""
-        if self.expertises:
-            return ', '.join([subject_areas_dict[exp].lower() for exp in self.expertises])
-        return ''
-
     def conflict_of_interests(self):
         if not self.profile:
             return ConflictOfInterest.objects.none()
diff --git a/scipost/templates/scipost/navbar.html b/scipost/templates/scipost/navbar.html
index 780e0f187ceb0db2323e5b6b210ca3d5d12243ec..5e41387a1dcfd64d3ad23adb03fdfd9da2f3d760 100644
--- a/scipost/templates/scipost/navbar.html
+++ b/scipost/templates/scipost/navbar.html
@@ -86,44 +86,32 @@
               </div>
             </div>
             <div class="dropdown-divider"></div>
-            <span class="dropdown-item dropdown-headline"><strong>Physics</strong></span>
-            <div class="row">
-              <div class="col-md-6">
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:AE">Atomic, Molecular and Optical Physics - Experiment</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:AT">Atomic, Molecular and Optical Physics - Theory</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:BI">Biophysics</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:CE">Condensed Matter Physics - Experiment</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:CT">Condensed Matter Physics - Theory</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:CC">Condensed Matter Physics - Computational</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:FD">Fluid Dynamics</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:GR">Gravitation, Cosmology and Astroparticle Physics</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-              </div>
-              <div class="col-md-6">
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:HE">High-Energy Physics - Experiment</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:HT">High-Energy Physics - Theory</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:HP">High-Energy Physics - Phenomenology</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:MP">Mathematical Physics</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:NE">Nuclear Physics - Experiment</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:NT">Nuclear Physics - Theory</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:QP">Quantum Physics</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-
-                <div class="dropdown-item"><a href="{% url 'submissions:submissions' %}?subject_area=Phys:SM">Statistical and Soft Matter Physics</a>&nbsp;<i class="fa fa-angle-right" aria-hidden="true"></i></div>
-              </div>
-
-            </div>
+	    <table class="table table-bordered table-secondary">
+	      <thead class="thead-dark">
+		<tr>
+		  <th class="px-2 py-1"><small>Branch of Science</small></th>
+		  <th class="px-2 py-1"><small>Fields <em>(click to see field-specific detailed list)</em></small></th>
+		</tr>
+	      </thead>
+	      <tbody>
+		{% for branch in branches %}
+		  {% if branch.submissions.all|length > 0 %}
+		    <tr>
+		      <td class="align-middle">
+			<small>{{ branch.name }}</small>
+		      </td>
+		      <td>
+			{% for acad_field in branch.academic_fields.all %}
+			  {% if acad_field.submissions.all|length > 0 %}
+			    <a href={% url 'submissions:submissions' %}?field={{ acad_field.slug }} class="btn btn-primary btn-sm"><small>{{ acad_field.name }}</small></a>
+			  {% endif %}
+			{% endfor %}
+		      </td>
+		    </tr>
+		  {% endif %}
+		{% endfor %}
+	      </tbody>
+	    </table>
 	  </div>
         </li>
 
diff --git a/submissions/factories.py b/submissions/factories.py
index 0c8dd0b897be31f41267de68dda0a5144ac6f3b2..f4bb7a0df88eea6ed469d04c937845fd4f6355b2 100644
--- a/submissions/factories.py
+++ b/submissions/factories.py
@@ -7,10 +7,11 @@ import pytz
 import random
 
 from comments.factories import SubmissionCommentFactory
-from scipost.constants import SCIPOST_SUBJECT_AREAS, SCIPOST_APPROACHES
+from scipost.constants import SCIPOST_APPROACHES
 from scipost.models import Contributor
 from journals.models import Journal
 from common.helpers import random_scipost_report_doi_label
+from ontology.models import Specialty
 
 from .constants import (
     STATUS_UNASSIGNED, STATUS_EIC_ASSIGNED, STATUS_INCOMING, STATUS_PUBLISHED,
@@ -32,7 +33,7 @@ class SubmissionFactory(factory.django.DjangoModelFactory):
     title = factory.Faker('sentence')
     abstract = factory.Faker('paragraph', nb_sentences=10)
     list_of_changes = factory.Faker('paragraph', nb_sentences=10)
-    subject_area = factory.Iterator(SCIPOST_SUBJECT_AREAS[0][1], getter=lambda c: c[0])
+    acad_field = factory.SubFactory('ontology.factories.AcademicFieldFactory')
     approaches = factory.Iterator(SCIPOST_APPROACHES, getter=lambda c: [c[0],])
     abstract = factory.Faker('paragraph')
     author_comments = factory.Faker('paragraph')
@@ -55,8 +56,16 @@ class SubmissionFactory(factory.django.DjangoModelFactory):
         if Journal.objects.count() < 3:
             from journals.factories import JournalFactory
             JournalFactory.create_batch(3)
+        if Specialty.objects.count() < 5:
+            from ontology.factories import SpecialtyFactory
+            SpecialtyFactory.create_batch(5)
         return super().create(**kwargs)
 
+    @factory.post_generation
+    def add_specialties(self, create, extracted, **kwargs):
+        if create:
+            self.specialties.set(Specialty.objects.order_by('?')[:3])
+
     @factory.post_generation
     def contributors(self, create, extracted, **kwargs):
         contribs = Contributor.objects.all()
@@ -160,7 +169,8 @@ class ResubmittedSubmissionFactory(EICassignedSubmissionFactory):
         self.editor_in_charge = submission.editor_in_charge
         self.submitted_to = submission.submitted_to
         self.title = submission.title
-        self.subject_area = submission.subject_area
+        self.acad_field = submission.acad_field
+        self.specialties = submission.specialties
         self.approaches = submission.approaches
         self.title = submission.title
         self.authors.set(self.authors.all())
@@ -212,7 +222,8 @@ class ResubmissionFactory(EICassignedSubmissionFactory):
         self.editor_in_charge = submission.editor_in_charge
         self.submitted_to = submission.submitted_to
         self.title = submission.title
-        self.subject_area = submission.subject_area
+        self.acad_field = submission.acad_field
+        self.specialties = submission.specialties
         self.approaches = submission.approaches
         self.title = submission.title
         self.authors.set(self.authors.all())
diff --git a/submissions/templates/partials/submissions/pool/submission_info_table_extended.html b/submissions/templates/partials/submissions/pool/submission_info_table_extended.html
index 2173d7df63bef44f16a47cc1cf343b4425adf756..adf3ffe8e535b7e53c4475f937e47e64e5b016bd 100644
--- a/submissions/templates/partials/submissions/pool/submission_info_table_extended.html
+++ b/submissions/templates/partials/submissions/pool/submission_info_table_extended.html
@@ -8,7 +8,7 @@
     <td>As Contributors</td>
     <td>
       {% for author in submission.authors.all %}
-        {% if not forloop.first %}<span class="text-blue">&middot;</span> {% endif %}<a href="{% url 'scipost:contributor_info' author.id %}">{{author.user.first_name}} {{author.user.last_name}}</a>
+        {% if not forloop.first %}<span class="text-blue">&middot;</span> {% endif %}<a href="{% url 'scipost:contributor_info' author.id %}">{{ author.user.first_name }} {{ author.user.last_name }}</a>
       {% empty %}
         (none claimed)
       {% endfor %}
@@ -17,12 +17,18 @@
   <tr>
     <td>Submitted by</td>
     <td>
-      {{submission.submitted_by.user.first_name}} {{submission.submitted_by.user.last_name}}
+      {{ submission.submitted_by.user.first_name }} {{ submission.submitted_by.user.last_name }}
     </td>
   </tr>
   <tr>
-    <td>Subject area</td>
-    <td>{{submission.get_subject_area_display}}</td>
+    <td>Specialties</td>
+    <td>
+      <ul class="m-0 pl-4">
+	{% for specialty in submission.specialties.all %}
+	  <li>{{ specialty }}</li>
+	{% endfor %}
+      </ul>
+    </td>
   </tr>
   {% if submission.approaches %}
     <tr>
diff --git a/submissions/templates/partials/submissions/submission_li.html b/submissions/templates/partials/submissions/submission_li.html
index 4341d4931fc0fa3ab4806bea482ecf48a28d6f8d..0c904ba9d139221f9e1c81d62f23763dcf7dbf6d 100644
--- a/submissions/templates/partials/submissions/submission_li.html
+++ b/submissions/templates/partials/submissions/submission_li.html
@@ -1,5 +1,11 @@
 <div class="li submission">
-  <h5 class="subject"><a href="{% url 'submissions:submissions' %}?subject_area={{ submission.subject_area }}" class="muted-link">{{ submission.get_subject_area_display }}</a></h5>
+  <h5 class="subject">
+    <a href="{% url 'submissions:submissions' %}?field={{ submission.acad_field.slug }}" class="muted-link">{{ submission.acad_field }}</a>:&nbsp;
+    {% for specialty in submission.specialties.all %}
+      <a href="{% url 'submissions:submissions' %}?specialty={{ specialty.slug }}" class="muted-link">{{ specialty }}</a>
+      {% if not forloop.last %}<strong>&nbsp;&bullet;&nbsp;</strong>{% endif %}
+    {% endfor %}
+  </h5>
     <h3 class="title"><a href="{{ submission.get_absolute_url }}">{{ submission.title }}</a></h3>
     <p class="authors">by {{ submission.author_list }}</p>
     {% block card_footer %}{% endblock %}
diff --git a/submissions/tests/test_utils.py b/submissions/tests/test_utils.py
index c86e5998b50e5effce04d9244f3defd8b171ae32..06449e8b2116f2360bcb992b0e1640fe8dca6f49 100644
--- a/submissions/tests/test_utils.py
+++ b/submissions/tests/test_utils.py
@@ -18,8 +18,6 @@ from ..factories import UnassignedSubmissionFactory, ResubmissionFactory
 
 
 # NOTED AS BROKEN 2019-11-08
-# factory.errors.InvalidDeclarationError: Received deep context for unknown fields: {'dates__submission': datetime.date(2019, 11, 8)} (known=['abstract', 'approaches', 'author_comments', 'author_list', 'is_current', 'latest_activity', 'list_of_changes', 'preprint', 'remarks_for_editors', 'status', 'subject_area', 'submission_date', 'submitted_by', 'submitted_to', 'thread_hash', 'title'])
-
 # class TestDefaultSubmissionCycle(TestCase):
 #     """Test all steps in the Submission default cycle."""
 
@@ -65,7 +63,6 @@ from ..factories import UnassignedSubmissionFactory, ResubmissionFactory
 
 
 # NOTED AS BROKEN 2019-11-08
-# factory.errors.InvalidDeclarationError: Received deep context for unknown fields: {'dates__submission': datetime.date(2019, 11, 8)} (known=['abstract', 'approaches', 'author_comments', 'author_list', 'editor_in_charge', 'is_current', 'latest_activity', 'list_of_changes', 'open_for_commenting', 'open_for_reporting', 'preprint', 'remarks_for_editors', 'status', 'subject_area', 'submission_date', 'submitted_by', 'submitted_to', 'thread_hash', 'title', 'vn_nr'])
 # class TestResubmissionSubmissionCycle(TestCase):
 #     '''
 #     This TestCase should act as a master test to check all steps in the
@@ -106,7 +103,6 @@ from ..factories import UnassignedSubmissionFactory, ResubmissionFactory
 
 
 # NOTED AS BROKEN 2019-11-08
-# factory.errors.InvalidDeclarationError: Received deep context for unknown fields: {'dates__submission': datetime.date(2019, 11, 8)} (known=['abstract', 'approaches', 'author_comments', 'author_list', 'editor_in_charge', 'is_current', 'latest_activity', 'list_of_changes', 'open_for_commenting', 'open_for_reporting', 'preprint', 'refereeing_cycle', 'remarks_for_editors', 'status', 'subject_area', 'submission_date', 'submitted_by', 'submitted_to', 'thread_hash', 'title', 'vn_nr'])
 # class TestResubmissionDirectSubmissionCycle(TestCase):
 #     '''
 #     This TestCase should act as a master test to check all steps in the
diff --git a/submissions/views.py b/submissions/views.py
index f7743345d2fd648e0d0d627cd2628d4243e91660..fb0689332c400f35db88739593c77a0f15fc2cde 100644
--- a/submissions/views.py
+++ b/submissions/views.py
@@ -372,9 +372,12 @@ class SubmissionListView(PaginationMixin, ListView):
         """Return queryset, filtered with GET request data if given."""
         queryset = Submission.objects.public_newest()
         self.form = self.form(self.request.GET)
+        if 'field' in self.request.GET:
+            queryset=queryset.filter(acad_field__slug=self.request.GET['field'])
+        if 'specialty' in self.request.GET:
+            queryset=queryset.filter(specialties__slug=self.request.GET['specialty'])
         if 'to_journal' in self.request.GET:
             queryset = queryset.filter(
-                latest_activity__gte=timezone.now() + datetime.timedelta(days=-60),
                 submitted_to__doi_label=self.request.GET['to_journal']
             )
         elif self.form.is_valid() and self.form.has_changed():