A hit of dopamine sends mice into dreamland
A quick surge of dopamine shifts mice into a dreamy stage of sleep. In the rodents’ brains, the chemical messenger triggers rapid-eye-movement sleep, or REM,…
A quick surge of dopamine shifts mice into a dreamy stage of sleep. In the rodents’ brains, the chemical messenger triggers rapid-eye-movement sleep, or REM,…
One moment, Campbell County in Wyoming’s northeastern corner was an area of high levels of transmission of the coronavirus, a scenario in which the U.S.…
PHOENIX — Pills loaded with bacteria from other people’s poop might help adults who are highly allergic to peanuts safely eat the nuts in small…
In November, a new coronavirus variant took the world by storm. Omicron has since caused an unprecedented wave of infections, striking about 90 million people…
In a quiet laboratory beyond the decomposing remains on a body farm in Huntsville, Texas, Noemi Procopio works carefully with her drill. With each cut…
The uncertainty of banking sperm – Science News, February 26, 1972 Many men contemplating vasectomies have been depositing a quantity of their semen with sperm…
Chain mail–like armor may help keep one superbug safe from bacteria-killing medicines. Clostridioides difficile bacteria are notorious for taking over the guts of people who…
An estimated 5.2 million children worldwide have lost a parent or caregiver to COVID-19. The tally covers the beginning of the pandemic through October 2021,…
During the winter surge of COVID-19, it felt like the coronavirus was everywhere. Colder weather pushed people inside where the virus can linger in the…
Ancient Africans in search of mates traded long-distance travels for regional connections starting about 20,000 years ago, an analysis of ancient and modern DNA suggests.…
What little rain that falls on a gravelly desert located in western China’s Tarim Basin evaporates as it hits the blistering turf. Here, in this…
Today, it’s clear that our genes not only cause many diseases, but also hold potential cures. But that wasn’t always the case. It wasn’t until…
If it felt like omicron exploded with mind-boggling speed, a new look at the numbers backs that up. The highly contagious coronavirus variant achieved dominance…
Stone Age Homo sapiens began migrating into Europe much longer ago than has typically been assumed. Discoveries at a rock-shelter in southern France put H.…
Nearly two decades after researchers assembled the first genetic blueprint for human life, our understanding of our instruction manual has a dramatic and problematic bias:…
Snow covered the storied field of Fenway Park in Boston when Kate Yohay, in the second trimester of her pregnancy, arrived. The ballpark had become…
Online crowdfunding for medical expenses raises less money than social media posts suggest and deepens health care inequities, a new study reports. The first large-scale…
The tragic death of a 6-year-old boy in early medieval England has given scientists the earliest direct clue to the history of the pathogen Haemophilus…
In 2010, two blood cancer patients received an experimental immunotherapy, and their cancers went into remission. Ten years later, the cancer-fighting immune cells used in…
People living along southeastern Europe’s Danube River around 11,500 years ago never planted a crop but still laid the foundation for the rise of farming…
A 57-year-old Maryland man has now survived just over three weeks with the transplanted heart of a genetically engineered pig. His doctor has hailed the…
Marijuana commission finds usage high — Science News, January 29, 1972 Approximately 24 million Americans have used marijuana at least one time. A national survey…
On yellow poster board, blue letters spell BELIEVE, a nod to the Emmy-winning TV show Ted Lasso. The sign hangs above psychologist Tommy Minkler’s office…
Bacterial infections that don’t respond to treatment are a leading cause of death around the world. In 2019, antimicrobial resistance caused an estimated 1.27 million…
Young children are always watching. That includes when people swap spit through actions like sharing food — helping the tots work out who is in…
Eight silver and gold tubes held in a Russian museum have long been thought to have been either ceremonial staffs or canopy supports. In reality,…
New year, new variant. As 2022 gets under way, omicron, a fast-moving version of the virus that causes COVID-19, is well into its march across…
An amateur archaeologist exploring a dried-out, ancient stream channel called Blackwater Draw near Clovis, New Mexico, made a startling discovery in 1929. He came across…
Hunter-gatherers who lived more than 2,000 years ago near the top of the world appear to have run ironworking operations as advanced as those of…
Discoveries in 2021 dared the world to consider grand possibilities in physics, space and the origins of life. Will these bold claims hold up to…
With omicron spreading globally at a dizzying pace, scientists are scrambling to learn as much as they can about the latest worrisome variant of the…
In 1721, a Norwegian missionary set sail for Greenland in the hopes of converting the Viking descendants living there to Protestantism. When he arrived, the…
A friend texted me recently because her daughter’s class had a coronavirus outbreak and my friend had some questions about COVID-19 testing. Testing has been…
An advisory committee for the U.S. Centers for Disease Control and Prevention voted unanimously December 16 to recommend mRNA COVID-19 vaccines over Johnson & Johnson’s…
2021 was a year of coronavirus variants. Alpha and beta kicked off the year, and several worrisome variants later, omicron is closing it out. How…
Neandertals took Stone Age landscaping to a previously unrecognized level. Around 125,000 years ago, these close human relatives transformed a largely forested area bordering two…
The twilight time between fully awake and sound asleep may be packed with creative potential. People who recently drifted off into a light sleep later…
When some bacteria manage to escape being killed by a virus, the microbes end up hamstringing themselves. And that could be useful in the fight…
Evidence that cross-continental Stone Age networking events powered human evolution ramped up in 2021. A long-standing argument that Homo sapiens originated in East Africa before…
One grainy, gray-scale image of a brain changed science and medicine forever. Half a century ago, the first CT image of a patient lifted the…
Tiny “living machines” made of frog cells can replicate themselves, making copies that can then go on to do the same. This newly described form…
Hopes for an easy pill that could combat COVID-19 before people land in the hospital have dimmed a bit. New data about an antiviral pill…
Another coronavirus variant has emerged, and with it comes a new wave of uncertainty and unanswered questions. Days after the news broke, we remain in…
An individual from an enigmatic hominid species strode across a field of wet, volcanic ash in what is now East Africa around 3.66 million years…
Giant orangutans that once dwelled in mainland Southeast Asian forests belonged to a single species that gradually shrank in size over nearly 2 million years,…
Tyson Bottenus once captained an 80-foot schooner called the Aquidneck. He sailed tourists off the coast of Newport, R.I., discussing the area’s history and sites.…
A child’s partial skull found in a remote section of a South African cave system has fueled suspicion that an ancient hominid known as Homo…
Villain. Killer. Menace. Since 2020, scientists and public officials have used these words to describe SARS-CoV-2, the virus that causes COVID-19. News articles, research papers…
Five to 11-year-olds are a step closer to being eligible for a COVID-19 vaccine in the United States. Federal health officials are expected to sign…
An inexpensive, easy-to-take pill could be the next weapon in the arsenal against COVID-19. Taking the antidepressant fluvoxamine within days of showing symptoms of an…
Please confirm you want to block this member.
You will no longer be able to:
Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.