Researchers mapped where DNA first opens and how a helicase gate may release one strand as genome copying begins. Before a cell can divide, it must open its tightly wound DNA and begin copying the entire genome. Researchers at the MRC Laboratory of Medical Sciences (LMS) and collaborating institutions have now traced this process to […]
Unzipping the Code of Life: Scientists Pinpoint Where DNA First Opens
Researchers mapped where DNA first opens and how a helicase gate may release one strand as genome copying begins. Before a cell can divide, it must open its tightly wound DNA and begin copying the entire genome. Researchers at the MRC Laboratory of Medical Sciences (LMS) and collaborating institutions have now traced this process to […]
Loneliness Is Making People Sick – but Medicine Can’t Fix It Alone
Treating loneliness as a health issue may encourage action while obscuring the broader social conditions behind it. Loneliness can damage health, but a healthcare system cannot rebuild communities or restore the social connections people have lost. A University of Michigan study warns that defining loneliness mainly as a medical concern may shift responsibility away from […]
American Heart Association Reveals How Much Coffee Is Safe for Your Heart
For millions of people, caffeine is the chemical switch that starts the day. Yet the dose and the source may determine whether it is largely harmless or risky for the heart. A new American Heart Association scientific statement concludes that most adults can safely consume up to 400 mg of caffeine a day, roughly the […]
Europa’s Hidden Ocean May Be Locked Beneath a Frozen Wall
New simulations suggest Europa’s massive ice shell may seal its hidden ocean off far more completely than scientists ever realized. Europa may contain more liquid water than Earth, yet reaching that water could be far more difficult than scientists hoped. New simulations suggest that Europa’s ice shell may not be a cracked doorway into its […]
Europa’s Hidden Ocean May Be Locked Beneath a Frozen Wall
New simulations suggest Europa’s massive ice shell may seal its hidden ocean off far more completely than scientists ever realized. Europa may contain more liquid water than Earth, yet reaching that water could be far more difficult than scientists hoped. New simulations suggest that Europa’s ice shell may not be a cracked doorway into its […]
Something Is Still Moving Beneath Venus’s Scorching Surface
Venus may be reshaping its surface at this very moment. New computer simulations suggest that enormous rift valleys are still forming across Venus, revealing that the scorching planet may be far more geologically active than scientists once believed. The findings add to growing evidence that Venus is not the geologically dead world it was once […]
Tiny Divers Challenge a Major Theory About Ocean Insects
Pressure-resistant air sacs allow lake fly larvae to dive hundreds of meters and complicate a long-standing theory about ocean insects. Each day, billions of lake fly larvae vanish into the oxygen-deprived depths of Lake Malawi, surviving pressures once thought capable of crushing an insect’s respiratory system. Their unusual ability is challenging a long-held explanation for […]
Tiny Divers Challenge a Major Theory About Ocean Insects
Pressure-resistant air sacs allow lake fly larvae to dive hundreds of meters and complicate a long-standing theory about ocean insects. Each day, billions of lake fly larvae vanish into the oxygen-deprived depths of Lake Malawi, surviving pressures once thought capable of crushing an insect’s respiratory system. Their unusual ability is challenging a long-held explanation for […]
Tiny Divers Challenge a Major Theory About Ocean Insects
Pressure-resistant air sacs allow lake fly larvae to dive hundreds of meters and complicate a long-standing theory about ocean insects. Each day, billions of lake fly larvae vanish into the oxygen-deprived depths of Lake Malawi, surviving pressures once thought capable of crushing an insect’s respiratory system. Their unusual ability is challenging a long-held explanation for […]