When Sifrhippus, the earliest known horse, first appeared in the forests of North America more than 50 million years ago, it would not have been mistaken for a Clydesdale. It weighed in at around 12 pounds -- and it was destined ...
Evolution
Feb 23, 2012
10
0
The thyroid hormone thyroxine, which controls our day-to-day activity and was previously believed to remain at a constant level in the blood, actually fluctuates as a result of a protein which modifies the release of the ...
Other
Jan 28, 2014
0
1
It's that time of year again: White sharks, just like snowbirds, have started heading south for the weather. They're turning toward Florida's waters after spending the summer off Cape Cod and Nova Scotia, hunting seals and ...
Ecology
Nov 29, 2022
0
13
Mosasaurs – an extinct group of aquatic reptiles that thrived during the Late Cretaceous period – possibly were "endotherms," or warm-blooded creatures, a paper co-written by a University of Alabama professor suggests.
Archaeology
May 10, 2016
0
13
Dinosaurs may have been warm-blooded, scientists said Wednesday, in a finding that could debunk one of the most commonly-held images of the extinct giants.
Archaeology
Jun 27, 2012
16
1
Some tropical reptiles may be able to adapt quickly to climate change rather than go extinct as widely expected, a Dartmouth-led study finds.
Evolution
Sep 15, 2014
0
0
Researchers have shed light on the molecular mechanisms underlying hibernation, publishing their findings today as a Reviewed Preprint in eLife.
Plants & Animals
Feb 20, 2024
0
976
Current models used to predict the survival of species in a warming world might be off target, according to new research that enlisted the help of dozens of spiny lizards in the New Mexico desert.
Ecology
Sep 5, 2016
3
296
A team of researchers at MIT has found via theoretical modeling that the saltiness of the oceans on Saturn's moon, Enceladus, may be the right level to sustain life. In their paper published in the journal Science Advances, ...
A major route toward creating effective vaccines against dengue virus and Zika involves the E protein that covers the surface of each viral particle. If we could develop strong antibodies against this E protein, then that ...
Biochemistry
May 18, 2018
16
298
