Biology News

Estrogen turns up volume of mating song in female birds Tue, 08/29/2017
Does estrogen affect the way females perceive male sexual signals? That is a question a team of Yale researchers explored in a study, focusing on the female house sparrow. The research team...
Starfish larvae create complex water whorls to eat and run Mon, 12/19/2016
A starfish larva is shown here to the right of a vortex of water. Stanford research reveals that starfish larvae evolved a mechanism that can either stir the water to bring food closer or propel the organism toward better feeding grounds. (Image credit: Rebecca Konte / Prakash Lab)
Tiny starfish larvae employ a complex and previously unknown survival mechanism involving whorls of water that either bring food to them or speed them away to better feeding grounds. Peek into a tide...
With too little to eat, 'massive number' of reef sharks depend on delivery Thu, 07/28/2016
It stands to reason in a healthy environment that prey should always vastly outnumber the predators that eat them. But researchers reporting in Current Biology on July 28 have found that sometimes,...
Effects of past tropical deforestation will be felt for years to come Thu, 07/28/2016
Even if people completely stopped converting tropical forests into farmland, the impacts of tropical deforestation would continue to be felt for many years to come. That's the conclusion of...
Monkeys get more selective with age Thu, 06/23/2016
As people get older, they become choosier about how they spend their time and with whom they spend it. Now, researchers reporting in the Cell Press journal Current Biology on June 23 find, based on a...
The Genetic History of Ice Age Europe Mon, 05/02/2016
Analyses of ancient DNA from prehistoric humans paint a picture of dramatic population change in Europe from 45,000 to 7,000 years ago, according to a new study led by Howard Hughes Medical Institute...
Fossil find reveals just how big carnivorous abelisaur dinosaur may have grown Mon, 02/29/2016
An unidentified fossilised bone in a museum has revealed the size of a fearsome abelisaur and may have solved a hundred-year old puzzle. Alessandro Chiarenza, a PhD student from Imperial College...
Freshwater fish, amphibians supercharge their ability to see infrared light Thu, 11/05/2015
Salmon migrating from the open ocean to inland waters do more than swim upstream. To navigate the murkier freshwater streams and reach a spot to spawn, the fish have evolved a means to enhance...

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