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Phys.org / Differences in human and great ape laughter reveal clues to the origin of speech

Humans are not the only animals that communicate. Birds sing to attract mates, dolphins use signature whistles that identify individuals, and many primates produce complex vocalizations that help them coordinate their social ...

Jul 24, 2026
Phys.org / A longer, hotter reality surrounds marine heat waves, research reveals

Anyone who has boiled a pot of water understands that it takes both time and energy to raise the temperature, so it may come as a surprise to learn that scientists have long treated marine heat waves (MHWs) as isolated events. ...

Jul 22, 2026
Tech Xplore / Shade-resistant solar cells keep 97% efficiency after 2,000‑hour stress test

It is common for solar panels to be shaded by trees, clouds, birds or buildings. For thin-film solar technologies, however, such shading can cause shaded areas to develop reverse-bias stress (negative voltage), which can ...

Jul 20, 2026
Phys.org / Fruit flies turn fleeting scent puffs into directional memories, study finds

When a fruit fly catches a whiff of a ripe peach, it quickly heads toward it. Time after time, it finds the fruit—even from many feet away and even if the scent arrives only as a few drifting, disconnected puffs. How do they ...

Jul 22, 2026
Phys.org / Rare sighting reveals Arctic bobtail squid and egg masses in subzero Greenland fjord

Marine biologists have observed the Arctic bobtail squid in its natural habitat in the North Atlantic Ocean for the first time, including the rare discovery of a mature female with eggs. Dr Paige Maroni, from The University ...

Jul 20, 2026
Phys.org / Hawaiian stilt reclassified from endangered to threatened after 50 years of conservation efforts

The U.S. Fish and Wildlife Service announced the reclassification of the Aʻeo, or Hawaiian stilt (Himantopus mexicanus knudseni), from endangered to threatened under the Endangered Species Act, a rare and hopeful milestone ...

Jul 21, 2026
Medical Xpress / New strategy could prevent T cell exhaustion and boost immunotherapy

A major pillar of cancer immunotherapy involves stimulating T cells, the specialized killers of the immune system, to attack tumors. But this strategy has been undermined by the tendency of T cells to tire out before finishing ...

Jul 23, 2026
Phys.org / How 'super' enzymes can transform recycling

From microplastics clogging up our oceans to landfills leaching dangerous chemicals, plastic waste is a serious and growing problem for human health and the environment. We need to recycle more and, crucially, recycle better.

Jul 22, 2026
Phys.org / Even a slight overproduction of tubulin can tip the balance of cellular health, study shows

For cells to function properly, they must produce the right amount of each protein. It is a delicate balance: Both too little and too much can compromise essential cellular functions. A team from the University of Geneva ...

Jul 22, 2026
Medical Xpress / GLP-1 use rising rapidly among US adolescents and young adults, study finds

Adolescents and young adults in the U.S. are increasingly using popular GLP-1 weight-loss drugs alone or in conjunction with metabolic and bariatric surgery (MBS) to manage obesity, according to a study by UT Southwestern ...

Jul 20, 2026
Medical Xpress / FDA advisers dismiss safety warnings, back four peptide treatments

A panel of outside advisers to the U.S. Food and Drug Administration (FDA) voted Thursday to let specialized pharmacies produce and sell four peptide treatments the agency banned three years ago.

Jul 24, 2026
Medical Xpress / Black MS patients dying younger than white ones, study finds

Black people with multiple sclerosis (MS) die from the disease at a younger age than white people, a new study reports.

Jul 24, 2026