Summary: New research suggests oxytocin, the so-called “love hormone,” may help protect women from mood disturbances caused by sleep disruption and hormonal changes during postpartum and menopause. In a controlled…
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Killer whales show a softer side, sharing food with people
They’re known as “killer whales,” but orcas have a surprisingly soft and even generous side. “Orcas often share food with each other—it’s a prosocial activity and a way that they…
‘Pebble’ beaches around young stars join together to form planets
A key method of forming planets finally has observational evidence, thanks to a network of radio telescopes in the U.K. that have resolved the existence of a huge abundance of…
Emergency vaccines slash deaths by 60%: Study
Credit: CC0 Public Domain Emergency vaccination during outbreaks of diseases like cholera, Ebola and measles have over the past quarter-century reduced deaths from such illnesses by nearly 60%, according to…
xAI apologizes for Grok’s offensive posts
Grok, the artificial intelligence assistant, praised Nazi leader Adolf Hitler in a series of posts deemed anti-Semitic. Elon Musk’s startup xAI apologized Saturday for offensive posts published by its artificial…
Faced with US heat waves, the Navajo push for power—and A/C
Most of the United States was electrified in the 1930s, but efforts in the Navajo Nation only began in the 1960s, and there are still not enough power lines. Workmen…
The biggest piece of Mars on Earth is going up for auction in New York
by DAVE COLLINS and JOSEPH B. FREDERICK A Martian meteorite, weighing 54.388 lbs. (24.67 kg), said to be the largest piece of Mars on Earth, estimated at $2 – 4…
Archaeologists find tomb of Caracol’s first ruler
After more than four decades of excavations at the Maya city of Caracol, University of Houston archaeologists Arlen and Diane Chase have uncovered the long-lost tomb of Te K’ab Chaak,…
Radiation therapy can promote amphiregulin, which increases growth of metastases
Radiation therapy can promote the epidermal growth factor receptor (EGFR) ligand amphiregulin, which increases growth of existing metastases in patients with advanced solid tumors, according to a study recently published…
Does AI actually boost productivity? The evidence is murky
Credit: Pixabay/CC0 Public Domain There’s been much talk recently—especially among politicians—about productivity. And for good reason: Australia’s labor productivity growth sits at a 60-year low. To address this, Prime Minister…
