Nearly 2 Out Of 3 Teens And Tweens Use AI Chatbots, New Research Shows
Artificial intelligence chatbots are increasingly becoming a regular part of life for American youth. Two new surveys show that nearly…
Study Highlights Role Of Human Activity In Amazon Carbon Emissions
A study that analyzed 15 years of measurements of carbon dioxide (CO₂) and carbon monoxide (CO) fluxes in the Amazon,…
Hot Flashes, Night Sweats, Insomnia – OB-GYNS Set New Rules For Menopause Treatment
For the first time since 2014, the American College of Obstetricians and Gynecologists has updated its guidelines for the treatment…
Sweating The Details: Sauna’s Potential Health Benefits Draw Scientists’ Interest
Scientists have long marveled at how the human body tolerates extreme heat — and what that means for our health.…
Over 30 Million Brazilian Children Are Exposed To Climate Risks
A new report by the United Nations Children’s Fund (UNICEF) warns that children and adolescents may suffer disproportionately from the…
Obesity Triples Over 30 Years, Affects One In Four Adult Brazilians
The prevalence of obesity among adults in Brazil more than tripled from 1990 to 2023. The study is part of…
UNESCO Names First Brazilian Deputy Director
Scientist Denise Pires de Carvalho will assume the position of Deputy Director-General for Science at the United Nations Educational, Scientific,…
Amazon Home To Over 2,700 Species Of Fish, Study Finds
The Amazon basin is home to more than 2,700 species of freshwater fish – about 15 percent of all known…
‘People Are Still Afraid Of Those Three Letters’: Fighting The Stigma Of HIV
“People are still afraid of those three letters,” says Gareth Thomas, a former Welsh rugby star. He’s talking about HIV.…
This High-speed Star Is Whipping Around The Black Hole In The Middle Of Our Galaxy
In the fall of 2002, scientists calculated the mass of a truly gargantuan entity at the heart of our Milky…
NASA Is About To Launch A Space Telescope That Could Change How We See The Universe
The universe is a strange place — filled with exploding stars, ancient galaxies, and unseen worlds. Now, astronomers are about…
High-intensity Sprints Can Trigger Molecular Changes In The Bloodstream
We all know a sprint feels different than a longer, take-it-slow kind of workout. Your heart is pounding. You gasp…
A Solar Eclipse Happens This Week. Here Is What To Know
People in Iceland, Greenland, northern Russia, Spain, and a part of Portugal will see a total eclipse, according to astronomers.…
Who Really Needs Testosterone?
A few times, Dr. Jamin Brahmbhatt suspected he might have low testosterone. But when he checked his numbers, he discovered…
After Fauci Senate Hearing, Experts Worry About ‘Chilling Effect’ On Public Health
For almost three hours on Wednesday morning, Dr. Anthony Fauci sat before the Senate Committee on Homeland Security and Governmental…
Animal Spillover? Lab Leak? What The Science Says About The Origins Of COVID-19
Sen. Rand Paul, R-Ky., faced off with leading COVID-era infectious diseases specialist Dr. Anthony Fauci during a Senate hearing today,…
At Least 930 People Have Died In Congo’s Ebola Outbreak
At least 930 people have died in Congo’s Ebola outbreak, the country’s Ministry of Health said Monday, with 37 new…
Meet The Robots Programmed By Kids To Speak Their Indigenous Languages
The idea came to Danielle Boyer in a toy store. The inspiration? It was Tickle Me Elmo. “Whenever you’d press…
Pythons’ Extreme Biology May Hold Clues For Treating Human Disease
When Skip Maas first adopted Agrapina, a mottled ball python, she hadn’t eaten in 14 months. But as he soon…
Eat Your Ice Cream For A Long, Healthy Life? This Doctor Says So
If you’re hankering for a cool treat on a hot day, nothing screams summer like ice cream. And a physician…
Study Reveals 113-Million-Year-Old Pterosaur Tissue Preservation
A new fossilization mechanism capable of preserving soft tissues and even steroids – extremely fragile organic molecules – in a…
Brazil Develops Its Own Technology For Lab-grown Meat Production
The Brazilian Agricultural Research Corporation (Embrapa) has begun producing lab-grown meat. The experiment does not involve the slaughter of animals…
FIFA Hydration Breaks Have Sparked Criticism. But What Do They Actually Do?
For the first time in World Cup history, FIFA is mandating all soccer players take hydration breaks to protect them…
You’re Probably Using Too Many Skin Care Products. Here Are The 3 Essentials
My bathroom vanity holds an array of different products that are supposed to help my skin. Looking at these bottles,…
5 Ways To Reduce Everyday Exposure To ‘Forever Chemicals’
“Forever chemicals” are everywhere — in our drinking water, in our food and in products like nonstick frying pans, raincoats…
Bumblebees Have Tiny Brains But They Can Solve Problems Like Chimps And Elephants
Over a century ago, the German psychologist Wolfgang Köhler conducted what became a classic experiment. He suspended a banana to…
Experimental Pill Promises New Hope For Deadly Pancreatic Cancer
A novel pill helped people with advanced pancreatic cancer live longer, researchers reported Sunday, raising hopes of long-needed better treatments…
NASA Lays Out Moon Base Plans With Landers, Buggies And Drones At The Top Of the List
NASA is already ordering landers, rovers and drones for a sprawling moon base, less than two months after the Artemis…
WHO Chief Lands In Congo To Address Rare Ebola Outbreak Amid Distrust And Insecurity
The head of the World Health Organization arrived in Congo’s capital, Kinshasa, late Thursday to witness efforts against an outbreak…
Brazil Works To Recover Dinosaurs And Heritage Items In 14 Countries
The Brazilian government, the Prosecution Service, and the country’s scientific community have been working to recover dinosaur fossils and other…
Some Plants Have A Genetic Superpower That May Help Them Survive A Cataclysm
Most people are diploid. That is, we have two sets of chromosomes — one set from each parent. But that’s…
World Health Organization Declares Ebola Outbreak In Congo A Global Health Emergency
The World Health Organization declared a new Ebola outbreak in the Democratic Republic of Congo and Uganda to be a…
To Revive An Extinct Bird, You First Need An Artificial Egg
Trevor Snyder pulls open an incubator and gently lifts out a device that looks like a high-tech coffee pod. It’s…
Is Hantavirus The Next COVID? Is The U.S. Response On Point? An Outbreak Update
Public health authorities around the world are working to contain a hantavirus outbreak that started on a cruise ship in…
In Real-world Test, An AI Model Did Better Than ER Doctors At Diagnosing Patients
A patient shows up at the hospital with a pulmonary embolism — a blood clot that has traveled to the…
‘Self-aware’ Robots Can Learn Complex Tasks By Watching Humans. Is That A Good Thing?
Imagine a robot that could do your laundry, make your bed, cook your dinner, or stock the dairy section at…
How Mosquitoes — And Malaria — Helped Shape The Whereabouts Of Early Humankind
For tens of thousands of years, where humans have chosen to live has long been shaped by climate and the…
Why Scientists Are Nervous About Fungi
Combatting bacterial and viral infections is getting tougher because of their growing resistance to drugs. Antibiotic drugs can no longer…
Shingles Can Hit Younger Than You Think. The Vaccine Can Prevent The Painful Illness
Chad Bernhard knows the pain of shingles firsthand. The New York City-based audio instructor was in his mid-30s when he…
Artemis II Astronauts Swung By The Moon, Broke An Apollo Record, And Saw An Eclipse
The four-astronaut crew of NASA’s Artemis II mission is now on its way back to Earth after a record-breaking trip…
Critical Minerals Are Brazil’s New Oil, Says Silveira
The Minister of Mines and Energy, Alexandre Silveira, stated this Wednesday (11) that critical and strategic minerals represent a historic…
A New One-A-Day-Pill Holds Promise For HIV’s ‘Forgotten Population’
Is there one pill a day to keep me healthy? That’s a question that Dr. Chloe Orkin hears a lot…
Brazilian Study Raises Alarm Over Rapid Melting Of Polar Ice Caps
A study entitled Planeta em Degelo (“Thawing Planet”), based on new data from the Brazilian Antarctic Program (Proantar), warns of…
Peer Pressure Can Make This Clownfish Change Its tripes
In the Disney film Finding Nemo, the clownfish Marlin worries that his son Nemo may have suffered an injury, and…
NASA Eyes March 6 To Launch 4 Astronauts To The Moon On Artemis II Mission
NASA could launch four astronauts on a mission to fly around the moon as soon as March 6th. That’s the…
Is That Carb Ultra-Processed? Here’s A Test Even A Kid Can Do
For the first time, the U.S. government is urging people to avoid “highly processed” foods, which it says are driving…
Hemp And Marijuana Are The Same Species. So Why All The Different Laws?
Is it hemp, cannabis or marijuana? That depends on who’s discussing the enigmatic plant that’s legal in some forms (for…
Pancreatitis And Slimming Pens: What Is Known About Suspicious Deaths And Warnings From Authorities
The Brazilian National Health Surveillance Agency (Anvisa) registered 145 suspected cases of pancreatitis associated with the use of medications known…
What To Know About Artemis II’s ‘Wet Dress Rehearsal’
Preparations are underway to begin critical testing of NASA spacecraft for the Artemis II mission that will send four astronauts…
Solar Storm Will Hit Earth After Mega-Eruption On The Sun, NASA Warns
A series of intense solar flares has put the scientific community on alert and should result in solar material reaching…
Google Creates Artificial Intelligence To Unravel The Secrets Of Human DNA
Google announced on Wednesday (28) AlphaGenome, a new artificial intelligence tool aimed at analyzing the human genome, focusing on understanding…
Scientists Discover Earth-Like Planet That May Harbor Life
Astronomers have identified a possible planet with dimensions very similar to Earth orbiting a star about 150 light-years away in…
Nipah Virus Infection
Nipah virus (NiV) is a serious infectious disease that periodically causes outbreaks in parts of Asia. While the risk to…
Measles Outbreak In The US Surpasses 600 Cases, With South Carolina Having More Than 600 Cases
The measles epidemic continues to expand in the United States, with a significant outbreak in South Carolina that has already…
4 Ways to Beat The Anxiety Of Insomnia — And Get Back To Sleep
Clinical psychologist Steve Orma was in his early 40s when he developed insomnia — difficulty falling asleep or staying asleep.…
Wegovy Obesity Pill Now Available At Pharmacies
The Wegovy pill launched Monday, and the starting dose is now available at pharmacies around the country with higher doses…
Scientists Discover Giant And Mysterious Structure In The Bermuda Triangle
A new scientific study helps explain why Bermuda remains elevated in the Atlantic Ocean even after more than 30 million…
Fire-Making Materials At 400,000-Year-Old Site Are The Oldest Evidence Of Humans Making Fire
It’s easy to take for granted that with the flick of a lighter or the turn of a furnace knob,…
Light From Satellites Will Ruin Majority Of Some Space Telescope Images, Study Says
Reflections cast by a growing number of satellites orbiting the Earth could ruin more than 95% of images taken by…
Project In Paraná, Brazil, Strengthens Coastal Conservation And The Fight Against Climate Change On The Coast
While the 2025 United Nations Climate Change Conference (COP30) brought together researchers and world leaders in Belém (PA) to discuss…
The U.S. Saw Vivid Northern Lights As Far South As Florida
Geomagnetic storms brought the northern lights to much of the U.S. this week, painting the sky in vibrant hues of…
DNA Reveals That Hitler Had A Rare Syndrome That Affected His Sexual Organs And Behavior
A new documentary from the British channel Channel 4, titled “Hitler’s DNA: The Blueprint of a Dictator,” revealed that Adolf…
To Optimize Health, Sync Your Habits With Your Body Clock. Here’s How
The return to “standard time” is better for our health according to sleep scientists, but the time change can be…
Daylight Saving Time Ended This Sunday, November 2nd. Here’s What You Need To Know
That time of year has arrived again: many Americans adjusted their clocks and circadian rhythms as Daylight Saving Time ended…
Trump Says He Wants To Resume Nuclear Testing. Here’s What That Would Mean
President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades.…
Mental Exercise Can Reverse A Brain Change Linked To Aging, Study Finds
Scientists are reporting the first compelling evidence in people that cognitive training can boost levels of a brain chemical that…
Antidepressant Side Effects Differ Greatly Depending On The Drug, Study Finds
Doctors have long known that antidepressants come with side effects for cardiovascular and metabolic health. But a major analysis from…
Iceland Reports The Presence Of Mosquitoes For The First Time, As Climate Warms
Icelanders may be the last group of people on Earth to experience the pesky bite of a mosquito. This week,…
Why Do Women Live Longer Than Men? A Study Offers Clues To Close The Gap
When it comes to longevity, women are much more likely to outlive men. In the U.S., the gap widened to…
Quitting Smoking May Be Good ForYour Brain, Even If You Stop Later In Life
A new study suggests that quitting smoking – even in middle age or beyond – can slow cognitive decline. While…
Uruguay Approves Legalization Of Euthanasia
Uruguay has just become the first country in South America to approve the legalization of euthanasia. The measure, known as…
Is It The Magnesium Or The Massage? The Facts About Magnesium Lotion For Sleep
The latest health craze to hit social media: magnesium lotion. Magnesium is an essential mineral that the body uses for…
The Silent Killer Increases Your Risk Of Stroke And Dementia. Here’s How To Control It
By age 40, more than half of Americans have high blood pressure, but many are unaware of it. Hypertension has…
What Kind Of Dairy Does A Body Good? Science Is Updating The Answer
When new dietary guidelines are unveiled later this month, the Trump administration is expected to upend long-held advice on whole…
These Fish May Feel Pleasure While Being Groomed By Other Fish
We tend to credit animals like cats and dogs with a certain degree of mental complexity. But fish aren’t usually…
Jane Goodall, Legendary Primatologist, Has Died At Age 91
Jane Goodall, a scientist whose studies of wild chimpanzees made her a household name, has died at the age of…
Scientists Create Human Eggs In The Lab, Using Skin Cells
Scientists have created human eggs containing genes from adult skin cells, a step that someday could help women who are…
After 10 years of black hole science, Stephen Hawking is proven right
On Sept. 14, 2015, physicists attained the long-sought goal of detecting gravitational waves, the shockwaves spewed out by such cataclysmic…
Giant Amazon Trees Can Help Scientists Tackle Climate Change
An enormous capacity to capture carbon dioxide, a vital role in the distribution of rainfall, and the ability to register…
Sarcopenic Obesity Increases Risk Of Death By 80%
The accumulation of abdominal fat associated with muscle mass loss—a condition known as sarcopenic obesity—increases the risk of death by…
What To Know As U.N. General Assembly Opens, Marking 80 Years, Tackling Deep Crises
World leaders are preparing for their 15 minutes on the world stage as the United Nations General Assembly high-level week…
Life On Mars? NASA Says A Rock Sample Shows Potential Signs Of Ancient Life
A long time ago, life left microscopic signatures on Mars — or did it? That’s the question NASA scientists have…
Why Parents Need To Talk To Their Teens About AI — And How To Start the Conversation
Nicholas Munkhbaatar started using ChatGPT shortly after the artificial intelligence chatbot was released in late 2022. He was 14 at…
A Spine-tingling Discovery: This Dinosaur Had Spiked Body Armor
A dinosaur that roamed modern-day Morocco more than 165 million years ago had a neck covered in three-foot long spikes,…
These Brain Implants Speak Your Mind — Even When You Don’t Want To
Surgically implanted devices that allow paralyzed people to speak can also eavesdrop on their inner monologue. That’s the conclusion of…