half

California has lost more than half of its coastal sand dunes, first-ever comprehensive assessment reveals - EurekAlert!

Yale study finds nearly half of older adults improved with age

Many older adults get health information from self-defined experts online. Up to 35% of older Americans — and half of adults under 50 — get health information and advice from social media influencers and podcasters, most of whom are not health care professionals

Half of parents report tracking their adult kids, and 1 in 4 trackers say it can increase their anxiety - EurekAlert!

More than half of those who stop GLP-1s restart within a year - EurekAlert!

Here’s what would happen if you tried to break a photon in half

One fat helped pancreatic cancer grow while another cut disease in half

Orangutans breastfeed their young for six and a half years, the longest among mammals - EurekAlert!

Almost half of the objects in Earth’s orbit are junk—and that’s only the stuff we know about

Almost half of everything orbiting Earth is space junk

Almost half of adults worldwide eat out at least once a week—exacerbating the obesity epidemic, suggests study in 65 countries - EurekAlert!

Over half of parents in England frequently pestered by their children to buy junk food while food shopping, national survey suggests - EurekAlert!

Plant-based diet cuts climate impact by more than half, randomized clinical trial shows - EurekAlert!

Only half of the calories produced on croplands are available for human consumption. The calories ‘lost’ to inefficiency (49.9%) is enough to support 7.2 billion people. 39.7% of the lost calories are from beef production, which requires 33 calories of feed for every calorie of boneless meat.

Half of older patients with dementia remain on psychotropic drugs a year after starting on them - EurekAlert!

More than half of the victims of violent deaths in Brazil had consumed alcohol or drugs shortly before - EurekAlert!

SpaceX Starship could slash travel time to Uranus in half

Across the social sciences, half of research doesn’t replicate

Inspired by cancer immunotherapy, Alzheimer's researchers have engineered mouse astrocyte brain cells to recognize amyloid-β and clear cellular debris. The approach, delivered via intravenous injection, reduced plaques by half in older mice with established disease, and prevented it in young mice.

More Than Half of U.S. College Students Are Lonely, Major Study Reveals