News
- Genetics
Geneticists push for a 5-year global ban on gene-edited babies
Prominent scientists are using the word “moratorium” to make it clear that experiments to create babies with altered genes are wrong, for now.
- Health & Medicine
Hidden compounds in many medications can trigger allergies
Analysis of 42,000 pill recipes shows nearly 93 percent have ingredients that may cause allergic reactions.
- Animals
The first male bees spotted babysitting are mostly stepdads
Some male bees guard young that are likely not their own while mom looks for pollen, a study finds.
By Susan Milius - Earth
The ‘roof of the world’ was raised more recently than once thought
New studies suggest that the Tibetan Plateau may have risen to its dizzying heights after 25 million years ago.
- Life
Human encroachment threatens chimpanzee culture
Human activity is affecting chimps’ behavioral repertoire, a new study suggests. Creating chimp cultural heritage sites might save unique behaviors.
By Sujata Gupta - Life
How helpful gut microbes send signals that they are friends, not foes
Some beneficial gut bacteria use unique form of communication to let immune cells know that they’re friendly.
By Jeremy Rehm - Genetics
A CRISPR spin-off causes unintended typos in DNA
One type of CRISPR gene editor makes frequent and widespread mistakes, studies in mice and rice reveal.
- Health & Medicine
A second HIV patient has gone into remission after a stem cell transplant
A second person with HIV has gone into remission after receiving blood stem cells from a donor unable to make a protein needed by the virus.
- Health & Medicine
Ripples race in the brain as memories are recalled
A fast brain wave called a ripple often came before a person’s correct answer on a memory test.
- Cosmology
Hidden ancient neutrinos may shape the patterns of galaxies
The gravitational pull of subatomic particles born in the universe’s first second seem to influence how galaxies cluster into rings.
- Science & Society
Welfare reforms may have hurt some single moms’ teenage kids
Welfare reform was meant to help the next generation, but making moms work and capping aid has led to more harm than gain, says a new study.
By Sujata Gupta - Animals
Bears that eat ‘junk food’ may hibernate less and age faster
Wild black bears snacking on leftovers of sugary, highly processed foods in Colorado show possible signs of faster cellular wear.
By Susan Milius