Evolution

Interdigital Cell Death: More Atmospheric Oxygen Is A Biological Signal To Leave Out Webbed Digits

Free fingers have obvious advantages on land, and don't even get us started on opposable thumbs, but provides aquatic or gliding animals with more suitable webbed ones. But both amphibians and amniotes, which include mammals, reptiles, and birds, can ...

Article - News Staff - Jun 13 2019 - 1:39pm

Dinosaur Extinction Gave Lichen Evolution A Boost

Some species have thrived only because they are food sources. Cows, for example, would be endangered and likely extinct if not for human animal husbandry. The same goes for many vegetables. They would be sparse or even gone if not for our genetic intervent ...

Article - News Staff - Jun 28 2019 - 7:22am

The Evolutionary Origins Of Skin

Mammals living in diverse types of environments, from ocean swimmers to mountain dwellers, have a diverse variety of protective skins adapted to the elements and now one of the largest comparative genomic studies to help determine the key molecular and evo ...

Article - News Staff - Aug 7 2019 - 8:44am

Pig Paradox: Hogs Were Domesticated In The Near East So Should Genetically Resemble Near Eastern Wild Boar. They Do Not.

Ancient pigs went through a complete genomic turnover after they arrived in Europe, according to a new study. They were domesticated in the Near East and logically would genetically resemble the Near East wild boar from which they derived, but they do not. ...

Article - News Staff - Aug 12 2019 - 5:49pm

Crocodiles Don't Clean Their Teeth, They Get Rid Of Them And Grow New Ones

Having one of the most powerful bites in the animal kingdom, crocodiles must be able to bite hard to eat their food such as turtles, wildebeest and other large prey.  Well, so do we, but we don't have exceptionally tough teeth and neither do crocodile ...

Article - News Staff - Aug 22 2019 - 9:07am

MRD-VP-1/1: The Face Of Lucy's Ancestor, Australopithecus Anamensis, 3.8 Million Years Ago

Discovery of a "remarkably complete" cranium  (MRD-VP-1/1, shortened to MRD) in February 2016 from a 3.8-million-year-old early human ancestor from the Woranso-Mille paleontological site, located in the Afar region of Ethiopia, represents a time ...

Article - News Staff - Aug 28 2019 - 2:32pm

Amino Acids: 1 In A Billion Or Was Biology's Optimal 'Molecular Alphabet' Preordained?

One of biology's most fundamental sets of building blocks may have special properties that helped bootstrap itself into its modern form- or it may be "cui bono?" thinking where people find an event, find a fact, and assume the fact caused th ...

Article - News Staff - Sep 11 2019 - 9:01am