Humans
- Health & Medicine
Common drug, dexamethasone, appears first to cut COVID-19 deaths
A drug used for decades to treat inflammation now appears useful in saving the lives of severely ill COVID-19 patients — ones who have trouble breathing.
- Health & Medicine
Deadly heat: Expected by century’s end, it’s here already
Instances of hot and humid conditions that threaten human lives are on the rise.
- Tech
Waiting for a ‘smart’ toilet? It’s nearly here
With every bathroom visit, we flush away important health data. Scientists hope to change that with 'smart toilets' that analyze your body’s output.
- Science & Society
Coronavirus lockdowns may have avoided 531 million infections
Studies find big benefits from global coronavirus lockdowns. More than a half a billion of the potentially deadly infections appear to have been avoided.
- Archaeology
This cave hosted the oldest known human remains in Europe
Bone fragments, tools and other finds in Bulgaria suggest that Homo sapiens moved rapidly into Eurasia as early as 46,000 years ago.
- Humans
Let’s learn about bias
People can be biased, even if they don’t think they are. Luckily, there are ways to fight our biases.
- Chemistry
Let’s learn about hair
Hair is made of long, strong protein chains. These chains have a lot of science in them.
- Health & Medicine
Scientists Say: Protein
Proteins are molecules made up of building blocks called amino acids. They play many key roles in the body’s cells and are essential for life.
- Humans
Skeletons hint that ancient societies had women warriors
Some women in North American hunter-gatherer societies and Mongolian herding groups may have been warriors.
- Tech
Our gut microbes love a good workout
Technology shows how microbes in the body respond to exercise. That helps scientists understand why those microbes keep athletes healthy.
- Tech
Sweat tech alerts athletes when to rehydrate — and with what
Technology shows how the body responds to moderate and vigorous exercise. That helps athletes stay healthy — and helps scientists understand why.
- Health & Medicine
Loss of taste and smell may be top indicators of COVID-19
Loss of a sense of taste and smell are not just possible symptoms of COVID-19. A study now argues they may be among the most predictive ones.
