Life

Environmental DNA (eDNA), the nuclear or mitochondrial DNA shed from an organism into its environment, is a rapidly evolving tool for monitoring the distribution of aquatic species. A new study discusses the ability of eDNA to accurately predict the...
Living in deep reefs in the Atlantic Ocean, the banded basslet, a small and colorful species with a wide range of distribution, has long been thought to undergo significant changes during its growth into an adult. Suspiciously, the juveniles...
Sockeye salmon that evolved in the generally colder waters of the far north still know how to cool off if necessary, an important factor in the species' potential for dealing with global climate change. Sockeyes, which spawn in fresh water...
How do juvenile songbirds learn to sing in a way that preserves both the unique features of local song culture and their specifics-specific song "signature"? Researchers have begun to map the brain circuitry responsible for cultural transmission and species...
Birds prefer to migrate at night so much so that if day breaks while they're over water, they'll turn back toward the nearest shore rather than pressing on. That's the key finding of a new study in The Auk:...
In honey bee colonies, a single queen is laying eggs from which thousands of worker bees are born. At a young age, workers care for the brood, then build and defend the nest and eventually, towards the end of...
Some guppies have a better sense of maths than others. It allows some to find the biggest shoal possible in which to be protected against predators, while others are better at choosing fruitful foraging ground. This is according to...
Female lemurs with normal color vision, as well as their cohabitating colorblind group members, may have selective advantage over lemur groups whose members are all colorblind, according to anthropologists at The University of Texas at Austin. Unlike other placental mammals,...
With winter approaching, bears all over the world are getting ready to hibernate. New research suggests that not all bears will spend entire winter in their dens, however, especially where baiting and other kinds of bear feeding is performed...
A team of scientists at The Cleveland Museum of Natural History, Australia, and Germany discovered that the orchid mantis looks like a flower due to the exploitation of pollinating insects as prey by its praying mantis ancestors. By studying the...

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