Humans
We summarize the week's science breakthroughs every Thursday.
- Health & Medicine
Iron deficiency goes unnoticed in too many U.S. female adolescents
Low iron causes problems from dizziness to severe anemia. It’s time to reevaluate screening guidelines to catch the problem earlier, an expert argues.
- Chemistry
How Benjamin Franklin fought money counterfeiters
Researchers are confirming some of the techniques that Benjamin Franklin and his associates used to help early American paper currency succeed.
- Health & Medicine
New Alzheimer’s drugs are coming. Here’s what you need to know
Several new drugs that target brain plaques slow mental decline in people with Alzheimer’s disease. But they are not for everyone, researchers caution.
- Health & Medicine
A new device can detect the coronavirus in the air in minutes
The detector can sense as a few as seven to 35 coronavirus particles per liter of air — about as sensitive as a PCR test but much quicker.
- Neuroscience
Elyse G.’s brain is fabulous. It’s also missing a big chunk
A new project explores interesting brains to better understand neural flexibility.
- Earth
Wildfires aren’t going away. Here’s how smoke can affect your health
How does repeat exposure to wildfire smoke affect our health? Three experts weigh in on the massive air pollution fueled by Canada’s ongoing fires.
- Humans
Lauren Schroeder looks beyond natural selection to rethink human evolution
Paleoanthropologists studying the fossil record have long focused on natural selection, but other processes play a big role too.
- Health & Medicine
50 years ago, scientists thought coffee might treat hyperactivity
Decades of follow-up research into whether caffeine can treat the symptoms of kids with ADHD has come up with more questions than answers.
- Psychology
‘Fires in the Dark’ illuminates how great healers ease mental suffering
Kay Redfield Jamison’s new book examines approaches used throughout history to restore troubled minds and broken spirits.
- Life
In Australia, mosquitoes and possums may spread a flesh-eating disease
Field surveys show that genetically identical bacteria responsible for a skin disease called Buruli ulcer appear in mosquitos, possums and people.
- Archaeology
How Asia’s first nomadic empire broke the rules of imperial expansion
New studies reveal clues to how mobile rulers assembled a multiethnic empire of herders known as the Xiongnu more than 2,000 years ago.
- Health & Medicine
Four things to know about malaria cases in the United States
Five people have picked up malaria in the United States without traveling abroad. The risk of contracting the disease remains extremely low.
