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Is Ultraprocessed Food Really That Bad?
A Harvard professor challenges conventional wisdom.
Prepare for AI Hackers
Human systems of all kinds may soon be vulnerable to subversion by artificial intelligence.
The Senior Housing Shortfall
As the ranks of the elderly swell, there are too few housing options for seniors who want to “age in place.”
Healthy People, Healthy Planet
The healthiest plant-based diets are also best for the environment.
Deprivation’s Mark on the Brain
Neglected children’s neurodevelopmental impairments persist into young adulthood.
How Coupons Keep Drugs Costly
Pharmaceutical companies subsidize the cost of their drugs to keep prices high.
Hybrid Work’s Sweet Spot
A business school study finds hybrid workers generate more novel and useful information.
Energy-Saving, Low-Cost Air Conditioning
Two new technologies could provide an eco-friendly cooling solution.
Reparations for Slavery?
Documenting the history and scope of federal “reparatory compensation.”
How the Brain Replays Actions During Sleep
Experiments using a neuroprosthetic reveal nocturnal motor neuron learning.
Who Should Drive an Electric Vehicle?
Targeting the wrong buyers—and producing more greenhouse-gas emissions