New research suggests that American mastodons were avid travelers, migrating vast distances across North America in response to dramatic climate change during the ice ages of the Pleistocene. The study, conducted by an international ...
Archaeology
Sep 1, 2020
2
622
In the American Southwest, native desert bighorn sheep populations found in landscapes with minimal human disturbance, including several national parks, are less likely to be vulnerable to climate change, according to a new ...
Plants & Animals
Aug 26, 2020
1
172
Coral conservation efforts could get a boost from a newly developed genotyping "chip"—the first of its kind for corals. The chip allows researchers to genetically identify corals and the symbiotic algae that live within ...
Ecology
Aug 25, 2020
0
98
The extinction of prehistoric megafauna like the woolly mammoth, cave lion, and woolly rhinoceros at the end of the last ice age has often been attributed to the spread of early humans across the globe. Although overhunting ...
Archaeology
Aug 13, 2020
6
1842
In an article just published in Conservation Physiology, Macquarie University's Simon Clulow and colleagues reveal a new sperm freezing and revival technique that shows considerable promise—and involves a surprising ingredient.
Plants & Animals
Jun 23, 2020
0
1012
University of Wisconsin-Madison scientists have found that a constantly fluctuating environment can enable some species to invade new areas by helping them maintain the genetic diversity they need to settle into their new ...
Evolution
Jun 22, 2020
0
112
In breeding programs aimed at conserving animals from small or isolated populations, scientists must balance the competing needs of adding genetic diversity and avoiding the introduction of harmful genes. This makes for a ...
Plants & Animals
Jun 10, 2020
0
7
What caused the disappearance of Homo neanderthalensis, a species which apparently possessed as many capacities as Homo sapiens? There are several theories attempting to explain this: the climate, competition, low genetic ...
Archaeology
Jun 4, 2020
0
449
If there is one thing that the coronavirus pandemic has exposed, it is that there is much that we still don't know about the world around us. Forget about the trillions—okay, more than trillions—of galaxies in the universe ...
Social Sciences
Jun 2, 2020
0
3
A record number of captive-born wolf pups has been placed into the wild as part of an effort by federal and state wildlife managers to boost the genetic diversity among Mexican gray wolves in the Southwestern United States.
Ecology
May 29, 2020
0
6
