Search Results for: Bacteria
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5,618 results for: Bacteria
- Life
Fungi don’t turn humans into zombies. But The Last of Us gets some science right
Fungi like those in the post-apocalyptic TV show are real. But humans’ body temperature and brain chemistry may protect us from zombifying fungi.
- Health & Medicine
Genetics of human evolution wins 2022 Nobel Prize in physiology or medicine
By figuring out how to extract DNA from ancient bones, Svante Pääbo was able to decipher the genomes of our hominid relatives.
By Tina Hesman Saey and Aimee Cunningham - Health & Medicine
Human cells make a soaplike substance that busts up bacteria
Nonimmune cells can fight off pathogens by releasing a detergent-like molecule that dissolves bacterial membranes.
- Animals
Vinegar eels can synchronize swim
Swarming, swimming nematodes can move together like fish and also synchronize their wiggling — an ability rare in the animal kingdom.
By Nikk Ogasa - Health & Medicine
Smruthi Karthikeyan turned to wastewater to get ahead of COVID-19
Smruthi Karthikeyan’s system for tracking the coronavirus gives lifesaving public health measures a head start.
- Earth
A massive cavern beneath a West Antarctic glacier is teeming with life
A subglacial river has carved out the cavern beneath the Kamb Ice Stream, a West Antarctic glacier, and may be supplying nutrients necessary for life.
By Douglas Fox - Animals
These dolphins may turn to corals for skin care
For Indo-Pacific bottlenosed dolphins, rubbing against corals and sea sponges that contain antibacterial compounds could help keep skin healthy.
- Paleontology
Megatooth sharks may have been higher on the food chain than any ocean animal ever
Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.
By Asa Stahl - Health & Medicine
Chewing sugar-free gum reduced preterm births in a large study
Among 10,000 women in Malawi, those who chewed xylitol gum daily had fewer preterm births compared with women who didn’t chew the gum.
- Animals
Gut microbes help some squirrels stay strong during hibernation
Microbes living in the critters’ guts take nitrogen from urea and put it into the amino acid glutamine, helping squirrels retain muscle in the winter.
- Health & Medicine
Antimicrobial resistance is a leading cause of death globally
In more than 70 percent of the 1.27 million deaths caused by antimicrobial resistance, infections didn’t respond to two classes of first-line antibiotics.
- Microbes
Are viruses alive, not alive or something in between? And why does it matter?
The way we talk about viruses can shift scientific research and our understanding of evolution.