1+ hour, 26+ min ago   (1041+ words) Tiny rotifers reveal how maternal age can shape lifespan and reproduction, with some effects persisting or reversing across generations. A mother passes more than DNA to her young. Her age when she reproduces can influence her offspring’s lifespan, reproductive timing,…...

2+ mon, 2+ day ago   (817+ words) Genetic testing tends to find what it was built to find. Drawn almost entirely from European data, today’s cancer risk tools leave South Asian patients poorly served. A new study of British Bangladeshi and Pakistani communities suggests those tools miss…...

4+ mon, 3+ day ago   (869+ words) Eight small teeth buried in a Polish cave have opened an unexpected window into Neanderthal life. Instead of isolated individuals, the remains reveal a connected group that shared maternal roots and likely moved across wide stretches of Europe. The genetic…...

4+ mon, 4+ week ago   (803+ words) Scientists have found that nearly all late Neanderthals across Europe descend from a single maternal lineage that spread after a major population collapse about 65,000 years ago. That result reframes their final history as one of survival by a small refuge…...

6+ mon, 4+ week ago   (758+ words) Packaged foods line grocery shelves and fill kitchen cabinets, offering convenience through long shelf lives. That durability depends on food preservatives, chemicals that slow spoilage, limit bacterial growth, and keep products looking fresh. New research suggests that frequent consumption of…...

8+ mon, 2+ day ago   (771+ words) When sleep falls apart, health often follows. New research shows that the effects extend beyond short-term fatigue, linking irregular sleep and light schedules to a higher risk of aggressive breast cancer. For years, scientists noticed that night-shift workers and frequent…...

8+ mon, 2+ week ago   (782+ words) Early life brings swift change. A young mind gains new abilities at a pace unmatched in later years. Each week adds fresh skills in movement, speech, curiosity, and social connection. Caregivers guide much of this progress – offering comfort, structure, and…...

10+ mon, 5+ day ago   (705+ words) Pregnancy doesn’t just create a baby – it changes a woman’s body in lasting ways. Some changes are visible, such as milk production and hormonal shifts. Others happen quietly, deep within the immune system. For years, doctors have noticed that mothers…...

11+ mon, 1+ day ago   (633+ words) The Moon has always been tied to the rhythms of Earth. It pulls the tides back and forth, and for thousands of years, people have wondered if it also tugs at our bodies. Do its phases – the waxing glow of…...

11+ mon, 3+ week ago   (758+ words) Reusable menstrual products are meant to be the safer, greener option. A new, peer-reviewed study finds, however, that this is not always the case. Researchers found PFAS, also known as “forever chemicals” because of their persistence, in a range of…...