Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
The protein craze may not be for everyone
Getting more protein has been all the rage. In sedentary people, that advice could accelerate aging.
- Health & Medicine
How one amino acid might help fight colon cancer and infections
Dietary arginine reduces tumor formation and viral load in mice by boosting key immune proteins.
- Health & Medicine
Healthy pregnancies and newborns are possible after CAR T cell therapy
Women who received treatment for autoimmune diseases with CAR T cell therapy went on to have regular pregnancies and healthy babies.
- Climate
What’s to blame for Canada’s wildfires?
The inferno that sent toxic smoke billowing toward the United States won't be the last. Officials are now battling both the wildfires and misinformation.
- Artificial Intelligence
Struggling with a hard life choice? AI future selves have tips
A chat with aged avatars of future selves can guide people paralyzed by tough decisions. The question is what information to feed the bots.
- Science & Society
The golden age of language was a few thousand years ago
A few millennia ago, people worldwide may have spoken or signed up to 10 times as many languages as they do today.
- Health & Medicine
Measles cases in the U.S. hit a new 34-year high
The U.S. hasn't seen measles numbers like this since 1992. An epidemiologist explains what's driving the surge.
- Health & Medicine
An experimental oral vaccine may prevent invasive bacterial diarrhea
Shigella causes about 450,000 U.S. infections each year. An experimental oral vaccine protected adults in a small human trial.
- Archaeology
Pompeii’s survivors shine in a new documentary series
Hosted by actor Tom Hiddleston, Pompeii: Out of Time mixes facts and fiction to bring three real ancient Romans to life.
- Artificial Intelligence
AI ‘ghosts’ can comfort mourners — even when the bots get the facts wrong
A small study suggests emotional fit, not perfect accuracy, may make chatbot versions of dead loved ones feel real.
- Anthropology
In painted caves, ancient human DNA clings to the walls
Scientists recovered ancient human DNA from cave walls for the first time. Refined, the method could help link prehistoric paintings to their makers.
- Humans
Who owns your bones?
Editor in Chief Nancy Shute discusses the history of unethical practices in research on human remains and the progress toward more ethical standards.
