2,655 results
- Animals
Small, quiet crickets turn leaves into megaphones to blare their mating call
A carefully crafted leaf can double the volume of a male tree cricket’s song, helping it compete with larger, louder males for females.
- Health & Medicine
Coronavirus-infected cells sprout filaments that may spread the virus
Like other coronaviruses, the virus behind COVID-19 causes infected cells to grow spindly projections that may act as highways to other cells.
- Neuroscience
Light from outside the brain can turn on nerve cells in monkey brains
An extra-sensitive light-responsive molecule allowed nerve cells to be switched on or off with dim light.
- Neuroscience
Three visions of the future, inspired by neuroscience’s past and present
Three fantastical tales of where neuroscience might take us are based on the progress made by brain researchers in the last 100 years.
- Health & Medicine
Can a COVID-19 vaccine’s second dose be delayed? It’s complicated
New data indicate that delaying second doses of COVID-19 vaccines may still provide protection, but some scientists aren’t convinced it’s OK.
- Life
Bats’ immune defenses may be why their viruses can be so deadly to people
A new study of cells in lab dishes hints at why viruses found in bats tend to be so dangerous when they jump to other animals.
- Anthropology
A tiny skull fossil suggests primate brain areas evolved separately
Digital reconstruction of a fossilized primate skull reveals that odor and vision areas developed independently starting 20 million years ago or more.
- Health & Medicine
Here’s what makes 4 promising COVID-19 vaccines unique — and potentially useful
More vaccines still in the works are exploring a variety of approaches, including pills and electrical zaps.
- Health & Medicine
Injecting a TB vaccine into the blood, not the skin, boosts its effectiveness
Giving a high dose of a tuberculosis vaccine intravenously, instead of under the skin, improved its ability to protect against the disease in monkeys.
- Life
Monkeys can use basic logic to decipher the order of items in a list
Rhesus macaque monkeys don’t need rewards to learn and remember how items are ranked in a list, a mental feat that may prove handy in the wild.
- 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.
- Health & Medicine
How coronavirus variants may pose challenges for COVID-19 vaccines
Some coronavirus mutations may make vaccines less effective, but the immune system is multifaceted and vaccines can be updated.
