News
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Planetary ScienceNASA’s Curiosity Mars rover weighed the mountain it’s climbing
Curiosity measures gravity as it drives, allowing scientists to weigh Mount Sharp and determine that the rock is less dense than expected.
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GeneticsThis bacteria-fighting protein also induces sleep
A bacteria-fighting protein also lulls fruit flies to sleep, suggesting links between sleep and the immune system.
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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.