News
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EarthAsbestos-like nanotubes
Some carbon nanotubes show signs of asbestos-like toxicity.
By Janet Raloff -
SpaceSupernova Outbreak
Thanks to a lucky break and an overactive galaxy, astronomers report the earliest detection yet of a normal supernova—the explosive death of a massive star.
By Ron Cowen -
Health & MedicineNonstick toxicity
By mimicking the action of estrogen, a widely used nonstick chemical promotes cancer development in animals.
By Janet Raloff -
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LifeThese colors don’t run
A chameleon employs different color-changing defenses depending on its predator.