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A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study of 28 participants, the device shortened the time to REM by 43 minutes and extended it by about 16 minutes. Researchers also observed signs of improved st

Food fraud is costing the UK economy up to £2 billion every year, according to the first study to calculate its full economic impact. The research, from the University of Portsmouth, estimates that food fraud costs between £400 million and £2 billion annually, making it one of th

How much ice is stored in the world's glaciers? And where exactly is it located? A new study led by Ca' Foscari University of Venice, in collaboration with the Institute of Polar Sciences of the National Research Council of Italy (CNR-ISP), provides an updated global map of glaci

Getting the recommended 150 minutes of moderate-to-vigorous exercise each week may offer only modest protection against heart attacks and strokes. A large study suggests that substantially greater benefits may require roughly 560 to 610 minutes a week—nearly 9 to 10 hours of bris

Are some interventions designed to induce gratitude more effectively than others? In which countries and cultures do they work best to improve mood, strengthen bonds between people and promote social reciprocity? A study aimed at answering these questions—conducted in 34 countrie

People often talk about "getting out into nature" as if all green spaces offer the same experience. O recorte ajuda a contextualizar a pauta dentro de Ciência.

People might be more inclined to keep their community clean if they believe it benefits them personally, according to new research from the University of Georgia published in Environment and Behavior. The study found that focusing on how volunteering can benefit participants, suc

A new study from the University of Kansas complicates the picture of primates living in North America some 55 million years ago during the Eocene, a warm period that allowed mammals to diversify quickly.

A few years ago, psychologist Sherman Lee experienced a "grief attack". When he set out to study them, he discovered just how powerful and all-consuming grief can be

Smithsonian researchers have identified the genetic relationships among all Hawaiian honeycreeper species known to have existed—and subsequently faced major losses—since the arrival of Europeans to the islands.

Seed dispersal through wind, water or animals is a crucial process for forest renewal and biodiversity preservation. In the Atlantic Forest, a new study showed that the amount of forest in the landscape surrounding an area and the amount of rain are the main factors responsible f

Millions of sperm do not always compete alone—some species send them into action as coordinated teams. A sweeping evolutionary study found that this cooperation is widespread among arthropods and has repeatedly emerged and vanished over hundreds of millions of years. The discover