Breast cancer: DNA repair genes may be linked to racial disparity in mortality

Differences in how DNA repair genes are expressed as a result of environmental impacts may help to explain why Black women in the US have a higher mortality from breast cancer than white women Health 9 February 2022 By Jason Arunn Murugesu Expression of DNA repair genes in some Black women may be linked to … Read more

Can scientists repair their relationship with Native people as they probe the past? | Science

How and when people first set foot in the Americas is one of the enduring mysteries of human history. Most archaeologists now agree people lived in the Americas before Clovis-style tools—once thought to be linked to the first Americans—appeared about 13,000 years ago. Last year, for example, researchers reported human footprints in White Sands National … Read more

Air pollution: Roadside emissions sensors help Hong Kong clean its air in world first

Carbon monoxide and nitrogen oxide pollution have fallen sharply in Hong Kong since it introduced a world-first scheme to detect and repair vehicles with the highest emissions Technology 2 February 2022 By Alice Klein A busy road in Hong Kong picturelibrary / Alamy Stock Photo Hong Kong has improved its air quality by using roadside … Read more

New Evidence Challenges The Idea That Mutations Are Entirely Random

It’s a common misconception that evolution has a sense of direction – a notion that biology nerds around the world are constantly trying to correct. But new research reveals there may be a semblance of truth to this misconception, at least more than we ever realized.   While it’s not as straightforward as mutation with … Read more

Osteoarthritis: Electric knee implants could help repair worn cartilage

A device that delivers electric current to the knees could help combat osteoarthritis, a painful condition caused by worn cartilage, after successful tests in rabbits Health 12 January 2022 By Clare Wilson Coloured X-ray of the knees of an 87-year old man with severe osteoarthritis SCIENCE PHOTO LIBRARY Knee implants that generate a tiny electrical … Read more

mRNA technology: Vaccine biotech has helped repair broken hearts in mice

By Michael Le Page An illustration of a strand of mRNA MattLphotography / Alamy Stock Photo Immune cells in the bodies of mice have been temporarily reprogrammed to repair damaged hearts by removing scar tissue, thanks to the technology used in the mRNA coronavirus vaccines. “After you give the treatment, the scar goes away,” says … Read more

These Ants Can ‘Heal’ Wounded Trees in a Fascinating Symbiotic Relationship

An accidental slingshot hit on a Cecropia tree in Panama has led to a surprising discovery: the Azteca alfari ants that live inside these trees are often ready to fix damage to their living homes.   When high schooler Alex Wcislo fired the 9 mm (0.35 inch) clay ball through the tree, leaving clean entry and exit … Read more

Biggest science news of 2021: ‘Right to Repair’ campaigners claim iPhone victory

Groups campaigning for electronics manufacturers to make it easier for people to repair their own devices scored a surprise victory when Apple promised to sell parts and tools for fixing iPhones Technology 31 December 2021 By Matthew Sparkes iPhones require careful repairs wichan yodsawai/Alamy Apple made a surprise announcement in November that it would begin … Read more