<s>
TimeTree	B-Application
is	O
a	O
free	O
public	O
database	O
developed	O
by	O
S	O
.	O
Blair	O
Hedges	O
and	O
Sudhir	O
Kumar	O
,	O
now	O
at	O
Temple	O
University	O
,	O
for	O
presenting	O
times	O
of	O
divergence	O
in	O
the	O
tree	O
of	O
life	O
.	O
</s>
<s>
(	O
for	O
the	O
meaning	O
of	O
the	O
word	O
itself	O
,	O
go	O
to	O
timetree	B-Application
)	O
.	O
</s>
<s>
The	O
basic	O
concept	O
has	O
been	O
to	O
produce	O
and	O
present	O
a	O
community	O
consensus	O
of	O
the	O
timetree	B-Application
of	O
life	O
from	O
published	O
studies	O
,	O
and	O
allow	O
easy	O
access	O
to	O
that	O
information	O
on	O
the	O
web	O
or	O
mobile	O
device	O
.	O
</s>
<s>
The	O
database	O
permits	O
searching	O
for	O
average	O
node	O
times	O
between	O
two	O
species	O
or	O
higher	O
taxa	O
,	O
viewing	O
a	O
timeline	O
from	O
the	O
perspective	O
of	O
a	O
taxon	O
,	O
which	O
shows	O
all	O
divergences	O
back	O
to	O
the	O
origin	O
of	O
life	O
,	O
and	O
building	O
a	O
timetree	B-Application
of	O
a	O
chosen	O
taxon	O
or	O
user-submitted	O
group	O
of	O
taxa	O
.	O
</s>
<s>
TimeTree	B-Application
has	O
been	O
used	O
in	O
public	O
education	O
to	O
conceptualize	O
the	O
evolution	O
of	O
life	O
,	O
such	O
as	O
in	O
high	O
school	O
settings	O
.	O
</s>
<s>
David	O
Attenborough	O
's	O
Emmy	O
Award-winning	O
film	O
and	O
television	O
program	O
Rise	O
of	O
Animals	O
used	O
Hedges	O
and	O
Kumar	O
's	O
circular	O
timetree	B-Application
of	O
life	O
,	O
generated	O
from	O
the	O
TimeTree	B-Application
database	O
,	O
as	O
a	O
framework	O
for	O
the	O
production	O
.	O
</s>
<s>
The	O
timetree	B-Application
was	O
brought	O
to	O
life	O
using	O
animated	O
computer-generated	O
imagery	O
in	O
scenes	O
every	O
10	O
minutes	O
during	O
the	O
2-hour	O
movie	O
.	O
</s>
<s>
The	O
original	O
development	O
of	O
TimeTree	B-Application
,	O
by	O
Hedges	O
and	O
Kumar	O
,	O
dates	O
to	O
the	O
late	O
1990s	O
,	O
with	O
initial	O
support	O
from	O
.	O
</s>
<s>
TimeTree	B-Application
users	O
can	O
search	O
for	O
the	O
names	O
of	O
two	O
species	O
,	O
such	O
as	O
cat	O
and	O
dog	O
,	O
to	O
obtain	O
the	O
mean	O
and	O
median	O
time	O
estimates	O
for	O
their	O
divergence	O
,	O
in	O
millions	O
of	O
years	O
.	O
</s>
<s>
Users	O
can	O
download	O
the	O
original	O
study	O
data	O
as	O
Newick-formatted	O
timetrees	B-Application
for	O
further	O
research	O
.	O
</s>
<s>
The	O
third	O
search	O
option	O
,	O
timetree	B-Application
search	O
,	O
involves	O
building	O
a	O
timetree	B-Application
by	O
either	O
specifying	O
a	O
taxon	O
(	O
group	O
)	O
name	O
or	O
uploading	O
a	O
list	O
of	O
species	O
or	O
other	O
taxa	O
.	O
</s>
<s>
For	O
example	O
,	O
with	O
a	O
family	O
group	O
name	O
,	O
either	O
a	O
species-level	O
or	O
genus-level	O
timetree	B-Application
can	O
be	O
selected	O
.	O
</s>
<s>
Then	O
,	O
the	O
timetree	B-Application
is	O
show	O
and	O
can	O
be	O
output	O
as	O
a	O
Newick	B-Data_Structure
file	O
or	O
image	O
for	O
publication	O
.	O
</s>
<s>
The	O
database	O
also	O
allows	O
search	O
of	O
timetree	B-Application
articles	O
by	O
author	O
name	O
.	O
</s>
<s>
The	O
entire	O
open-access	O
book	O
Timetree	B-Application
of	O
Life	O
is	O
presented	O
on	O
the	O
site	O
.	O
</s>
