Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
AstraZeneca says its COVID-19 vaccine is 79 percent effective in a U.S. trial
The shot was 80 percent effective at preventing illness in people 65 and older and prevented severe disease and hospitalization.
- Health & Medicine
New drugs that block a brain chemical are game changers for some migraine sufferers
Drugs that block a brain chemical called CGRP are helping some patients who suffer from migraine pain.
- Health & Medicine
AstraZeneca’s COVID-19 vaccine isn’t tied to blood clots, experts say
Multiple countries suspended use of AstraZeneca’s COVID-19 vaccine because of concerns about blood clots, but health authorities say the shot is safe.
- Health & Medicine
We still don’t know for sure where the coronavirus came from. Here’s why
A year into the pandemic, we know the virus probably came from bats, but how and why it leaped to humans are still unknown.
- Health & Medicine
Coronavirus reinfections appear rare, especially in people younger than 65
Previous infections provide 80 percent protection in younger people and 47 percent in those over 65. Vaccines might help boost immunity further.
- Health & Medicine
50 years ago, researchers treated chronic pain with electricity
In 1971, doctors eased chronic pain by sending electrical impulses to the spinal cord. Fifty years later, improved techniques help paralyzed people walk.
- Health & Medicine
A deadly fungus behind hospital outbreaks was found in nature for the first time
Learning where the fungus Candida auris thrives in nature could help reveal why this yeast is dangerous to humans.
- Health & Medicine
The latest Ebola outbreak may have started with someone infected years ago
Rather than stemming from a virus that jumped from an animal to a person, this outbreak might have originated from someone who had a dormant virus.
- Health & Medicine
Some COVID-19 survivors face another foe: PTSD
The rate of post-traumatic stress disorder among survivors of severe COVID-19 is comparable to the rate among survivors of some natural disasters.
- Archaeology
A tour of ‘Four Lost Cities’ reveals modern ties to ancient people
In the book 'Four Lost Cities,' author Annalee Newitz uses cities of the past to show what might happen to cities in the future.
- Health & Medicine
The COVID-19 pandemic is now a year old. What have scientists learned?
As we enter the pandemic’s second year, researchers share what they’ve learned and what they look forward to.
- Anthropology
Riches in a Bronze Age grave suggest it holds a queen
Researchers have long assumed mostly men ran ancient Bronze Age societies, but the find points to a female ruler in Spain 3,700 years ago.
