Life
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AnimalsExplainer: How invasive species ratted out the tuatara
The introduction of rats to New Zealand led to huge population losses of the ancient tuatara. These uncommon reptiles vanished from the mainland. This left isolated populations to survive on several dozen isolated islands.
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BrainUnderstanding Autism
Genetics appears to play some role in this disorder, which affects more than one percent of all Americans.
By Bryn Nelson -
BrainGetting a head start on autism
Early diagnosis followed by early treatment may reduce autism’s impact on kids — and help them to communicate better.
By Bryn Nelson -
AnimalsKangaroos have ‘green’ farts
The farts and belches of these animals contain less methane than do those from other big grass grazers. Microbes in their digestive tract appear to explain the ‘roos lower production of this greenhouse gas, a new study finds.
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BrainAutism unlocked
Experts are learning how to diagnose this brain disorder in infancy. That may be early enough to allow nerve cells in the brain to develop new connections — ones that form detours around autism-affected areas.
By Bryn Nelson -
FossilsLobster’s ancient ‘cousin’ was gentle giant
Some 500 million years ago, this top predator would have likely netted its meals with long bristly limbs.
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FossilsScary ‘chicken’ roamed Earth with T. rex
Scientists have just pieced together evidence of a weird new dinosaur that sported sharp claws, feathers and a beak. And it just may have been one of the last dinos to roam Earth about 67 million years ago.
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AnimalsPythons seem to have an internal compass
The giant, Burmese pythons living in Florida’s Everglades like their adopted home. And new research shows they can find their way back to it if people try to move them somewhere else. Not all snakes will do this.
By Susan Milius -
AnimalsQuieter vibes for city spiders
How much a web vibrates affects how well a spider senses when that web has captured prey. But webs attached to concrete, plastic and other artificial materials vibrate less than do those built on natural materials, such as twigs or leaves.
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MicrobesReturn of the giant zombie virus
Scientists have discovered a new type of virus in Siberian soils. It's the largest virus ever discovered. And guess what: It could infect cells even after 30,000 years in cold storage.
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Health & MedicineSome of chocolate’s health benefits may trace to ‘bugs’
Dark chocolate offers people a number of health benefits. A new study finds that the breakdown of chocolate by microbes in the human gut be behind some benefits.
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AnimalsPassing diseases from bee to bee
A study finds that the viruses and parasites that plague honeybees can infect bumblebees too, sickening another important pollinator.