News
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GeneticsA long handshake can spread your DNA to objects you didn’t touch
Two new studies show that even brief contact with another person or object could transfer your DNA far and wide.
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AnimalsHermit crabs are drawn to the smell of their own dead
A new study finds that the smell of hermit crab flesh attracts other hermit crabs of the same species desperately looking for a larger shell.
By Yao-Hua Law -
Health & MedicineThe FDA says don’t buy young plasma therapies. Here’s why
Infusions of plasma from young people may hold the secret of youth, but there’s not much evidence to support the idea yet.