News
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AnimalsGiant pandas may have only recently switched to eating mostly bamboo
Giant pandas may have switched to an exclusive bamboo diet some 5,000 years ago, not 2 million years ago as previously thought.
By Jeremy Rehm -
NeuroscienceNo, we don’t know that gum disease causes Alzheimer’s
A recent study linked gum disease and Alzheimer’s disease, but the results are far from conclusive.
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AnthropologyNew dates narrow down when Denisovans and Neandertals crossed paths
Mysterious ancient hominids called Denisovans and their Neandertal cousins periodically occupied the same cave starting around 200,000 years ago.
By Bruce Bower -
Health & MedicineChinese ‘tweets’ hint that happiness drops as air pollution rises
A study of more than 210 million social media posts reveals a link between people’s sense of well-being and pollution.