Over 90 per cent of mammal species were wiped out by the same asteroid that killed the dinosaurs in the Cretaceous period 66 million years ago, significantly more than previously thought.
Archaeology
Jun 20, 2016
0
931
New research led by the University of Nebraska-Lincoln and the University of New Mexico has pinpointed changes in a single, mutation-prone gene site that ultimately allow wrens to breathe easy in the rarefied air of the Andes.
Evolution
Oct 14, 2015
20
34
(Phys.org)—Over long spans, biodiversity is a fluid and shifting balance of species and influences. Species diversification occurs in response to a host of complex factors, both biotic and abiotic, and understanding them ...
Eyeless Mexican cavefish show no metabolic circadian rhythm in either light and dark or constant dark conditions, according to a study published September 24, 2014 in the open-access journal PLOS ONE by Damian Moran from ...
Plants & Animals
Sep 24, 2014
4
0
The Sherpa population in Tibet is world-renowned for their extraordinary high-altitude fitness, as most famously demonstrated by Tenzing Norgay's ability to conquer Mount Everest alongside Sir Edmund Hillary. The genetic ...
Biotechnology
Sep 17, 2013
0
0
The extraordinary level of conservation of the tulip tree (Liriodendron tulipifera) mitochondrial genome has redefined our interpretation of evolution of the angiosperms (flowering plants), finds research in biomed Central's ...
Biotechnology
Apr 14, 2013
1
0
The remarkable diversity of California's plant life is largely the result of low extinction rates over the past 45 million years, according to a new study published in the journal Evolution. Although many new species have ...
Evolution
Jan 9, 2013
0
0
(Phys.org)—Researchers at the University of Glasgow have discovered the behaviour and metabolism of young trout is affected by where the egg they hatched from rested in the ovaries of their mother.
Plants & Animals
Nov 28, 2012
0
0
Climate change, habitat destruction, pollution and invasive species are all involved in the global crisis of amphibian declines and extinctions, researchers suggest in a new analysis, but increasingly these forces are causing ...
Ecology
Jul 18, 2012
1
0
Physically fit frogs have faster-changing genomes, says a new study of poison frogs from Central and South America.
Evolution
Apr 12, 2012
0
0
