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All Stories by Nicoletta Lanese
Health & Medicine
Antioxidants may encourage the spread of lung cancer rather than prevent it
Antioxidants protect lung cancer cells from free radicals, but also spur metastasis, two new studies suggest.
Hyenas roamed the Arctic during the last ice age
Two teeth confirm the idea that hyenas crossed the Bering land bridge into North America, a study finds.
Worms lure two new species of hopping rats out of obscurity
In the Philippines, scientists have identified two new species of shrew-rat, an animal whose limited habitat plays host to remarkable biodiversity.