Humans
We summarize the week's scientific breakthroughs every Thursday.
- Ecosystems
How mammoths competed with other animals and lost
Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.
- Health & Medicine
A potent fish oil drug may protect high-risk patients against heart attacks
People with, or at high risk of, cardiovascular disease lowered their chances of having a heart attack or stroke with a drug containing an omega-3 fatty acid.
- Health & Medicine
Vitamin D supplements don’t prevent heart disease or cancer
Vitamin D supplements won’t cut your risk of heart attack or stroke, according to highly anticipated study results.
- Genetics
Ancient DNA suggests people settled South America in at least 3 waves
Genetic studies of ancient remains are filling in the picture of who the earliest Americans were and how they spread through the Americas long ago.
- Life
How a life-threatening allergic reaction can happen so fast
Cells that act as sentries facilitate quick communication between allergens and anaphylaxis-triggering immune cells, a study in mice finds.
- Health & Medicine
A new drug may boost dwindling treatment options for gonorrhea
An antibiotic that targets the bacteria that causes gonorrhea proved effective in treating patients in a clinical trial.
- Archaeology
Like Europe, Borneo hosted Stone Age cave artists
Rock art may have spread from Borneo across Southeast Asia starting 40,000 years ago or more.
- Health & Medicine
Malaysia is ground zero for the next malaria menace
With deforestation in Malaysia, monkeys and humans are getting closer — and mosquitoes are infecting humans with malaria from monkeys.
- Materials Science
Questions about toxic red tides, and more reader feedback
Readers had inquiries about a new deicing material, harmful algal blooms and more.
- Anthropology
Neandertal teeth reveal the earliest known signs of lead exposure
Chemical analyses of teeth from young Neandertals show that lead exposure in hominids goes back some 250,000 years.
- Archaeology
Fossils hint hominids migrated through a ‘green’ Arabia 300,000 years ago
A once-green Arabia may have enabled Stone Age entries by Homo groups.
- Tech
Virtual reality therapy has real-life benefits for some mental disorders
Cheap, user-friendly virtual reality hardware could help VR therapy go mainstream. Some treatments are ready for primetime, while others are still in early testing.
