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The first of six new airborne campaigns will hit the skies this summer.

Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In mice with amyloid plaques, overactive microglia triggered inflammation that kept the brain from getting enough deep, restorative sleep. Temporarily removing most of these cells...

The specimens with links to Charles Darwin will soon be studied by scientists across the world.

Summary pending review.

Summary pending review.

Food waste is a resource like water and should be kept in communities, compost champions say.

A hot and dry spring means a greater variety and more butterflies across the UK, a charity says.

Several popular sugar substitutes may not be as harmless as they seem. Adults who consumed the most artificial sweeteners showed substantially faster declines in memory and thinking, especially if they were under 60 or had diabetes. The highest intake was linked to cognitive aging roughly 1.6 years...

Forecasts suggest the weather could turn more changeable during late July and August but the risk of heatwaves remains.