Science

Scientists have made mice with a remarkable amount of room for human brain tissue to grow.By genetically engineering animals lacking part of their brain, researchers created a living model in which pea-sized clumps of human neurons could expand, mature...

Destructive immune cells tied to Alzheimer’s disease may get their marching orders from cells outside the brain rather than within it.In mice, suppressing a small population of immune cells located in lymph nodes protects against neurodegeneration, researchers report September...

If you’re down under and you give the right tree a rustle, you might encounter a record-breaking, globally recognized music icon. Or at least a bug named after her.Meet Swiftiephylus, a newly described group of Australian insects. The big-eyed...

BoglandMerritt R. TuretskyW.W. Norton & Company, $29.99Thank goodness Merritt Turetsky became captivated by boglands. The ecosystem ecologist evocatively describes the beauty, danger and vitality of these ecosystems in her book, Bogland.“Buffering the space between forest and river, boglands refuse...

When you’re stressed, you lose control. Your sympathetic nervous system takes over, triggering the release of stress hormones into the bloodstream, which increases heart rate, blood pressure and breathing pace. These changes happen involuntarily, whether you’re facing true danger...

Three sisters almost completed an equally epic journey, but stopped when one became trapped in a snare.African wild dogs are among Africa's rarest predators, with only about 6,000 remaining in the wild.They live in highly social packs, hunt together...

“I can’t do this,” the woman in her 60s said as she lowered herself into the 40° Celsius water that filled a big silver tub at the end of a dimly lit room in the University of Ottawa’s Human...

Denise Harrison was working at Bellevue Hospital in New York City on September 11, 2001. The hospital had cleared the emergency room, anticipating a massive influx of patients after the terrorist attack at the World Trade Center, she says....

Available for 33 daysIs AI really plotting against us? In a week where an Anthropic researcher believes there is more than a 10% chance AI 'could kill all humans' we're delving deeper into the capabilities of AI agents. Tom...

Paleontologists have discovered the first known trackway made by a full-grown Tyrannosaurus rex: four connected footprints found in the badlands of southwestern North Dakota, not far from the Montana border.The find is described in a...