Animals
- Genetics
Y chromosome gets a closer examination
The Y chromosome may play a larger role in Turner syndrome and in health and disease differences between males and females than previously thought.
- Animals
A guide to the world’s biggest flightless birds
A rhea on the loose in England has prompted warnings about approaching the bird. From ostriches to cassowaries, here’s your guide to friendly and unfriendly big birds.
- Animals
Frustrated fish get feisty
Smaller rainbow trout become more aggressive towards bigger fish when they don’t their usual treats.
- Animals
Secrets of a sailfish attack
The large, long-nosed sailfish use their rostrums more like a sword than a spear to attack prey.
- Animals
Dolphins use sponges to dine on different grub
The animals can learn to use tools to exploit food sources that would be otherwise unavailable, a study suggests.
- Genetics
Rainbow trout genome shows how genetic material evolved
The finding challenges the idea that whole genome duplications are followed by quick, massive reorganization and deletions of genetic material.
- Animals
Submariners’ ‘bio-duck’ is probably a whale
First acoustic tags on Antarctic minke whales suggest the marine mammals are the long-sought source of the mysterious bio-duck sound.
- Life
Cheetahs, but not wild dogs, manage to live with lions
One conservation tenet says that cheetahs can’t survive when lions are around, but it’s wild dogs that disappeared in one lion-dense area of the Serengeti.
- Animals
Little thylacine had a big bite
A reconstruction of the skull of a thylacine, an extinct, fox-sized Australian marsupial, reveals that the animal could have eaten prey much larger than itself.
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- Tech
To do: Exhibits to explore this May in D.C. and New York
Events include a celebration of science and original watercolor paintings from John James Audubon.
- Animals
How a chimp goes mattress hunting
Chimpanzees prefer firm beds made of ironwood, a new study finds.
