Why Did Our Toes Evolve To Look So Weird? #AskDNews
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Toes are something we seldom think about, but why do we have them?
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The pectoral fin of Panderichthys and the origin of digits
http://www.nature.com/nature/journal/v456/n7222/full/nature07339.html
“Early hypotheses interpreted digits as derivatives of fin radials, but during the 1990s the idea gained acceptance that digits are evolutionary novelties without direct equivalents in fish fin skeletons.”
Walking, running and the evolution of short toes in humans
http://jeb.biologists.org/content/212/5/713.long
“The phalangeal portion of the forefoot is extremely short relative to body mass in humans. This derived pedal proportion is thought to have evolved in the context of committed bipedalism, but the benefits of shorter toes for walking and/or running have not been tested previously.
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Is Your Appendix Actually Useless? ►►►► http://bit.ly/2077I7D
Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG
Read More:
The pectoral fin of Panderichthys and the origin of digits
http://www.nature.com/nature/journal/v456/n7222/full/nature07339.html
“Early hypotheses interpreted digits as derivatives of fin radials, but during the 1990s the idea gained acceptance that digits are evolutionary novelties without direct equivalents in fish fin skeletons.”
Walking, running and the evolution of short toes in humans
http://jeb.biologists.org/content/212/5/713.long
“The phalangeal portion of the forefoot is extremely short relative to body mass in humans. This derived pedal proportion is thought to have evolved in the context of committed bipedalism, but the benefits of shorter toes for walking and/or running have not been tested previously.
____________________
DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily.
Watch More DNews on TestTube http://testtube.com/dnews
Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel
DNews on Twitter http://twitter.com/dnews
Trace Dominguez on Twitter https://twitter.com/tracedominguez
Julia Wilde on Twitter https://ftwitter.com/julia_sci
DNews on Facebook https://facebook.com/DiscoveryNews
DNews on Google+ http://gplus.to/dnews
Discovery News http://discoverynews.com
Download the TestTube App: http://testu.be/1ndmmMq
Sign Up For The TestTube Mailing List: http://dne.ws/1McUJdm
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