Cell Biology Tree Growth
Bars indicate the number of nodes added to the tree each quarter since the establishment of the Academic Family Tree.
Compare to tree:

Cell Biology Tree Nodes: Quarterly Growth

620-
496-
372-
248-
124-

Jan 05 Jan 06 Jul 06 Jan 07 Jul 07 Jan 08 Jul 08 Jan 09 Jul 09 Jan 10 Jul 10 Jan 11 Jul 11 Jan 12 Jul 12 Jan 13 Jul 13 Jan 14 Jul 14 Jan 15 Jul 15 Jan 16 Jul 16 Jan 17 Jul 17 Jan 18 Jul 18 Jan 19 Jul 19 Jan 20 Jul 20 Jan 21 Jul 21 Jan 22 Jul 22 Jan 23 Jul 23 Jan 24
Quarter
 Cell Biology Tree 

Node vs. connection growth
It's also interesting to compare the rate of growth of nodes vs. connections. So far, they've grown at a similar pace, but as the tree is getting larger, the number of new connections seems to be gradually outpacing the number of new nodes.

Cell Biology Tree: Nodes vs. Connections

620-
496-
372-
248-
124-

Apr 07 Jan 08 Apr 08 Jul 08 Oct 08 Oct 09 Jan 10 Apr 10 Jul 10 Oct 10 Jan 11 Apr 11 Jul 11 Oct 11 Jan 12 Apr 12 Jul 12 Oct 12 Jan 13 Apr 13 Jul 13 Oct 13 Jan 14 Apr 14 Jul 14 Oct 14 Jan 15 Apr 15 Jul 15 Oct 15 Jan 16 Apr 16 Jul 16 Oct 16 Jan 17 Apr 17 Jul 17 Oct 17 Jan 18 Apr 18 Jul 18 Oct 18 Jan 19 Apr 19 Jul 19 Oct 19 Jan 20 Apr 20 Jul 20 Oct 20 Jan 21 Apr 21 Jul 21 Oct 21 Jan 22 Apr 22 Jul 22 Oct 22 Jan 23 Apr 23 Jul 23 Oct 23 Jan 24 Apr 24 -2000 -2000 -2000 -2000 -2000 -2000 -2000 -2000 -2000 -2000 -2000 -2000
Quarter
 New nodes  New connections 

Daily growth
A bit more detail about what has been happening during the last month.

Cell Biology Tree: Growth during last 30 days

36-
29-
22-
14-
7-

21 22 23 24 25 26 27 28 29 30 31 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19
Day
 Cell Biology Tree