Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
During an allergic response, some immune cells digest others
Mast cells lure and trap other immune cells during allergic reactions, using their compounds to increase inflammation in a process dubbed nexocytosis
- Archaeology
The oldest known ritual chamber in the Middle East has been found
Engravings and other evidence suggest ancient humans attended religious ceremonies in the cave as early as 37,000 years ago.
- Health & Medicine
A squid-inspired medical device could reduce the need for needles
The device, which directs a liquid by mimicking squids’ high-pressure jets, could provide alternative delivery methods for injectable drugs.
- Health & Medicine
Proposed time limits on anesthesia may have jeopardized patient safety
Blue Cross Blue Shield’s now rescinded plan to put time limits on anesthesia put a spotlight on a poorly understood profession.
- Health & Medicine
How the weight loss drug tirzepatide is also helping heart failure patients
Data continue to show that tirzepatide, called Mounjaro for type 2 diabetes and Zepbound for weight loss, is safe and effective, but side effects remain.
- Climate
Climate change made 2024 the hottest year on record. The heat was deadly
Heat waves fueled by climate change killed scores of people and upended daily life. Here are some of those stories.
- Humans
Dietary evidence bolsters Clovis hunters’ reputation as mammoth killers
Mammoths made up as much as 40 percent of the ancient North Americans’ diet, a chemical analysis of human remains reveals.
- Archaeology
Neandertals may have built a hearth specifically to make tar
Findings from a cave in Gibraltar suggests Neandertals may have used complex fire structures to obtain adhesives from plants.
- Anthropology
Footprints offer a rare look at ancient human relatives crossing paths
The imprints put flat-footed and arched-foot walkers together at a prime spot in East Africa.
- Health & Medicine
Sluggish proteins may underpin aging and chronic disease
Sticky, sluggish proteins with “proteolethargy” may be a common denominator underpinning life’s ailments.
- Health & Medicine
Cervical cancer deaths are plummeting among young U.S. women
A new study shows a steep drop in cervical cancer deaths among the first cohort of women who were eligible for the HPV vaccine.
- Neuroscience
Like brain cells, kidney cells can form memories
Scientists found memory’s molecular machinery at work in cells outside the nervous system.
