Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Forget discrete droplets. This is how sweat really forms
The most-detailed look yet at how we perspire reveals that beads of sweat are out, puddling is in.
- Science & Society
Screen addiction affects teens’ mental health. How to spot it, and help
Banning screens is often not an option. So Science News spoke with experts studying screen use and addiction in teens to help families navigate this complex issue.
- Health & Medicine
U.S. measles outbreaks may end a hard-won victory over the virus
Dropping vaccination rates and changes in U.S. vaccine policy have public health experts concerned that annual measles outbreaks could become more frequent.
- Health & Medicine
Here’s how air pollution may trigger lung cancer
Exposure to air pollution may trigger DNA mutations that cause lung cancer in nonsmokers.
- Health & Medicine
U.S. FDA may nix black box warning on some menopause estrogen treatments
Experts worry the warning on vaginal estrogen menopause treatments is doing more harm than good and is not supported by science.
- Humans
A child’s biological sex may not always be a random 50-50 chance
Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.
- Health & Medicine
‘Rehab’ exposes the dark underside of U.S. drug treatment centers
In Rehab, journalist Shoshana Walter investigates the systemic pitfalls of drug treatment programs, which prevent people’s recovery from addiction.
- Humans
No, shaken baby syndrome has not been discredited
Defense lawyers have called shaken baby syndrome, or abusive head trauma, junk science. But doctors say shaking a baby is dangerous.
- Health & Medicine
Protein signatures may one day tell brain diseases apart before symptoms
Blood tests could pave the way for distinguishing between Alzheimer’s, Parkinson’s and some dementias, aiding early treatment for brain diseases.
- Health & Medicine
Organ age, not just your birthday, may determine your health risks
Blood proteins that reveal some organs age faster than others — and that may predict disease and lifespan.
- Chemistry
Gut microbes may flush ‘forever chemicals’ from the body
Experiments in mice show that some gut bacteria can absorb toxic PFAS chemicals, allowing animals to expel them through feces.
- Animals
Greenland sled dog DNA is a window into the Arctic’s archaeological past
A genomic analysis of Greenland’s Qimmeq dogs suggest they and their human partners arrived on the island centuries earlier than previously thought.
