6,164 results
- Anthropology
16th century skeletons suggest the slave trade brought some diseases to Mexico
Slaves buried in a 16th century grave in Mexico had hepatitis B and yaws, suggesting the slave trade helped spread some versions of those diseases.
- Health & Medicine
More evidence hints that hydroxychloroquine doesn’t help treat COVID-19
A malaria drug showed no benefit over standard care in two preliminary studies examining how well hydroxychloroquine works against the coronavirus.
- Animals
Dolphins can learn from peers how to use shells as tools
While most foraging skills are picked up from mom, some bottlenose dolphins seem to look to their peers to learn how to trap prey in shells.
- Animals
An immune system quirk may help anglerfish fuse with mates during sex
Deep-sea anglerfish that fuse to mate lack genes involved in the body’s response against pathogens or foreign tissue.
- Health & Medicine
Dengue cases in the Americas have reached an all-time high
There have been more dengue cases in the Americas this year than ever before, according to the Pan American Health Organization.
- Science & Society
The science stories that defined 2020: coronavirus, diversity movements and more
While this year was all about the coronavirus pandemic, climate change effects continued, diversity movements were born and research carried on.
- Climate
Emissions dropped during the COVID-19 pandemic. The climate impact won’t last
New estimates suggest coronavirus shutdowns cut global carbon dioxide emissions from fossil fuels by nearly 30 percent, on average.
- Health & Medicine
Rare eastern equine encephalitis has killed 9 people in the U.S. in 2019
2019 is the worst eastern equine encephalitis outbreak since tracking began in 2003, with 31 cases and nine deaths from the brain infection so far.
- Health & Medicine
50 years ago, scientists debated the necessity of a smallpox vaccine
In 1970, scientists debated the necessity of routine smallpox vaccinations as the disease declined. Fifty years later, the debate continues.
- Health & Medicine
In ‘The Perfect Predator,’ viruses vanquish a deadly superbug
In ‘The Perfect Predator,’ an epidemiologist recounts the battle to save her husband from an antibiotic-resistant infection.
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- Planetary Science
Coronavirus and technical issues delay a Mars mission’s launch
The joint European-Russian ExoMars rover’s launch was postponed from July to 2022 so technicians could resolve issues with the landing equipment.
