Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
How COVID-19 created a perfect storm for a deadly fungal infection in India
Amid the chaos of the COVID-19 pandemic, numbers of rare but dangerous “black fungus” infections have skyrocketed in the country.
- Health & Medicine
Controlling nerve cells with light opened new ways to study the brain
A method called optogenetics offers insights into memory, perception and addiction.
- Health & Medicine
How one medical team is bringing COVID-19 vaccines to hard-to-reach Hispanic communities
Unidos Contra COVID’s Spanish-speaking volunteers go to where Philadelphia’s Hispanic people gather, giving shots and addressing concerns one-on-one.
- Science & Society
Moral judgments about an activity’s COVID-19 risk can lead people astray
People use values and beliefs as a shortcut to determine how risky an activity is during the pandemic. Those biases can lead people astray.
- Chemistry
Many cosmetics contain hidden, potentially dangerous ‘forever chemicals’
Scientists found signs of long-lasting PFAS compounds in about half of tested makeup products, especially waterproof mascaras and lipsticks.
- Health & Medicine
Here’s what you should know about COVID-19 vaccine booster shots
No one knows if coronavirus booster shots will be necessary. But researchers are working on figuring that out.
- Archaeology
New clues suggest people reached the Americas around 30,000 years ago
Ancient rabbit bones from a Mexican rock-shelter point to humans arriving on the continent as much as 10,000 years earlier than often assumed.
- Health & Medicine
Solving mysteries of reproduction helped make parenthood possible for millions
Over the last 100 years, research has shed light on where we come from — how a single fertilized egg manages to develop into an organism that is unique, complex and most decidedly human — and technology has helped spur the process.
- Health & Medicine
FDA approved a new Alzheimer’s drug despite controversy over whether it works
A new Alzheimer's treatment slows progression of the disease, the drug’s developers say. But some researchers question its effectiveness.
- Health & Medicine
Food that boosts gut microbes could be a new way to help malnourished kids
Malnourished children in Bangladesh fed a food aimed at restoring gut health grew more than those who got a traditional high-calorie supplement.
- Health & Medicine
After 40 years of AIDS, here’s why we still don’t have an HIV vaccine
The unique life cycle of HIV has posed major challenges for scientists in the search for an effective vaccine.
- Health & Medicine
After vaccinating 95 percent of adults, a Brazilian city is returning to normal
An experiment to vaccinate all adults against COVID-19 in Serrana shows that widespread immunization drastically cuts hospitalizations and deaths.
