Study: 1 in 4 depression cases may be a body-clock problem, not a chemical one
A 10,000-person study finds standard antidepressants often fail these patients, but melatonin and morning sunlight may hit the real root cause.

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42 briefings briefings in Science
A 10,000-person study finds standard antidepressants often fail these patients, but melatonin and morning sunlight may hit the real root cause.
If the claim holds up, personalized phage therapy could become a new frontline weapon against antibiotic resistance - but proof is far from final.
A thousand researchers are publicly refusing AI tools, and the reason is a warning for every company betting on AI-generated answers.
The UK's top spy says AI is making biological attacks more accessible; Johns Hopkins' Tom Inglesby explains why governments are scrambling and what safeguards could stop it.
A Russian military spacecraft closed from hundreds of kilometers to extreme proximity with a commercial satellite, signaling a new orbital threat to private assets.
Rapid glacier retreat, heavy rainfall, and thousands of tiny tremors preceded Alaska's 1,580-foot tsunami, a warning for every coastal community in a warming world.
Scientists found a natural defense against protein buildup, opening a new path to preventive treatments.
New research links a modest daily walk to less tau buildup and nearly half the cognitive and functional decline, even for those with early signs.
Félicette's 1963 flight made France a space-race player, but her euthanasia and a crowdfunded statue reveal how high-risk programs are remembered.
A new quantum state challenges decades of theory and hints at 'super-Fermions,' with real stakes for quantum computing and materials science.
A study of 100-plus European pollen records shows human abandonment of medieval farmland cut plant diversity by 40%, then restoration came from renewed human activity.
The world's worst measles outbreak is spreading as routine vaccination falters. Here is why every country's immunization program should pay attention.