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Phys.org / Ancient Romans were obsessed with a plant said to be a contraception and an aphrodisiac. Then one day, it went extinct
Roman leader Julius Caesar is said to have kept a stock of it in the treasury. Ancient writer Pliny the Elder says Rome's Emperor Nero owned the last stalk of it. And some have suggested rampant extramarital sex in elite ...
Phys.org / First close pair of supermassive black holes detected
Supermassive black holes at the centers of galaxies are one of the most active fields of research in astronomy. In order to accumulate their enormous masses, they must merge with each other. A research team led by Silke Britzen ...
Phys.org / Uncharted island will soon appear on nautical charts
A 93-strong international expedition team has been exploring the northwestern Weddell Sea in the Antarctic on board the Alfred Wegener Institute's icebreaker Polarstern since February 8, 2026. In this key region for global ...
Phys.org / How the social lives of magpies shape their call repertoire
Communication is central to the survival of most animals, including humans. Yet animals of different species communicate differently, and the complexity of their communication skills varies greatly. One characteristic of ...
Phys.org / A 'stemness checkpoint' helps control stem cell identity
A study published in Cell Research advances a central idea in stem cell biology by identifying a checkpoint that controls the identity of many different types of stem cells across developmental stages. For nearly two decades, ...
Medical Xpress / Cancer risk is significantly higher for adults who have never married, finds large study
Adults who have never been married face a significantly higher risk of developing cancer than those who have been married, according to a large U.S. study of more than four million cases. The increased risk spans nearly every ...
Phys.org / Satellites capture the volatile human–luminescence relationship
From space, Earth's populated areas glow on the otherwise "black marble" of the planet at night. For decades, scientists assumed this glow was steadily increasing as the world developed. However, a new study published in ...
Phys.org / Momentum-engineered photonic states make bulk silicon shine
An international team of researchers, led by scientists from the University of California, Irvine, has demonstrated a fundamentally new way to make silicon emit light—overcoming one of the most persistent limitations in modern ...
Phys.org / A new equation may help baristas produce the perfect espresso shot every time
Everyone's idea of the perfect cup of coffee is different. Whether you have yours black, with a splash of milk or extra sweet, you like it your way. But is there a universal law that governs how that flavor gets into your ...
Medical Xpress / CBD found to reverse brain damage in mouse model of Alzheimer's disease
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive memory loss, cognitive decline, and behavioral changes. The deficits linked to AD are known to result from the abnormal accumulation of ...
Phys.org / Triple threat emerges as sharks, beach nourishment and murky waters collide
Each winter, thousands of blacktip sharks (Carcharhinus limbatus) migrate to the clear, shallow waters off South Florida, where they are easily spotted from the air—a movement that coincides with seasonal beach nourishment ...
Medical Xpress / Little-used cholesterol test could prevent more heart attacks and strokes
A routine blood test taken by millions in the U.S. each year to measure "bad" cholesterol is not the best measure to guide treatment and prevent heart attacks and strokes, suggests a new Northwestern Medicine study published ...
