Health

A cyclist in Uttenweiler, Germany, rides toward the rising sun on July 21, 2024, which briefly held the title of the hottest day on record, until it was broken again one day later.

Earth Reached Its Hottest Day on Record Twice in a Row This Week

The global average surface temperature soared to 17.15 degrees Celsius on Monday, or 62.87 degrees Fahrenheit, breaking a short-lived record set on Sunday

Researchers experimented with venom from red spitting cobras (pictured here), as well as black-necked spitting cobras.

Common Blood Thinners Could Combat Snakebites, Preventing Tissue Damage and Amputations, Study Finds

An estimated 400,000 people per year are permanently disabled because of snake venom, which can cause lesions and necrosis at the bite site

A heat map of brain activity shows stable patterns before and after taking psilocybin in blue and green, while temporary changes are shown in red, orange and yellow.

See How the Brain Responds to Psychedelic 'Magic Mushrooms'

A new study mapped large, temporary changes in brain areas related to introspection and one's sense of self, after participants took a dose of the drug psilocybin

A light painting made in Delhi, India, in December 2016 shows high air pollution levels a month after an extreme air quality event.

These Alluring Images Capture the Threats of Air Pollution Around the World

Researchers combined long-exposure photography with pollution sensor data to create representations of pollution in India, the United Kingdom and Ethiopia

Flaring, the burning of natural gas at an oil well, takes place on the Fort Berthold Indian Reservation. A large portion of Marathon Oil's emissions comes from flaring.

EPA Reaches $241 Million Settlement With Marathon Oil

The company was illegally polluting the air at nearly 90 facilities in North Dakota, a complaint alleges

A petri dish with bacteria from a stool sample. The researchers found a number of bacteria, fungi and viruses in fecal samples from children that were altered in children with autism.

Gut Microbes Could Help Diagnose Autism, Study Suggests

While more research is needed, scientists detected specific differences between the gut microbiomes of children with and without autism

The procedure allowed people to walk faster, climb stairs better and avoid obstacles more easily.

New Bionic Leg and Surgical Procedure Allow People to Walk With More Control After Amputations

The experimental surgery connects two muscles in the legs of people with below-the-knee amputations, allowing them to control a prosthetic limb with their brain

In a still from a video, an ant at the bottom of the image bites off the leg of a wounded ant with a purple marker on its back.

Carpenter Ants Perform Life-Saving Amputations to Treat Leg Injuries

A new study provides the first evidence of non-human animals performing amputations on others to improve their odds of survival

A ctenophore, or comb jelly, swims in waters near New Zealand.

How Deep-Sea Comb Jellies Hold Their Shape Under Crushing Pressure

The delicate sea creatures fall apart when brought to the surface but can survive miles deep in the ocean due to special cell wall structures, according to a new study

A team of Italian and Egyptian archaeologists discovered the tombs along the west bank of the Nile.

Trove of Tombs Sheds Light on How Ancient Egyptian Families Lived—and Died

The finds include mummies from many social classes, some of whom were buried alongside relatives after succumbing to disease

The new blood test, researchers hope, will help doctors diagnose Parkinson's disease years before symptoms occur, helping them provide more proactive treatments.

New Blood Test for Predicting Parkinson's Disease With A.I. Shows Promise, Study Suggests

In preliminary research, scientists identified eight protein anomalies in the blood of patients with Parkinson's, which they say can help diagnose the disease up to seven years before symptoms appear

The frog saunas are easy to make and cost around $50 to put together.

'Frog Saunas' May Be the Key to Saving Amphibians From a Deadly Fungal Infection

Providing frogs with sun-warmed bricks inside mini-greenhouses can help them recover from chytrid and make them more resilient against the disease in the future, a new study finds

Honeybees have a very good sense of smell.

Honeybees Can Sniff Out Lung Cancer, Scientists Suggest

New research opens the door for doctors to one day use bees as a living diagnostic tool

A firefighter stands in a blaze at the Florida Panther National Wildlife Refuge in 2009.

Extreme Wildfires Became Twice as Frequent and Intense in 20 Years, Study Finds

As measured by satellites, wildfires have markedly increased in boreal and temperate conifer forests, and rising nighttime temperatures allow flames to keep burning intensely after dark

Wild chimpanzees in Uganda appeared to seek out and eat specific plants with medicinal properties when they were sick.

Chimpanzees May Self-Medicate With Plants, Using the Forest as a Pharmacy

New research suggests sick chimps seek out and eat plants with antibacterial and anti-inflammatory properties—a finding that could advance drug discovery for humans

A new study sheds light on the timeline of the human immune response when confronted with SARS-CoV-2 and other infectious diseases.

Why Are Some People Seemingly Immune to Covid-19? Scientists May Now Have an Answer

Researchers tracked the immune responses of 16 people intentionally exposed to SARS-CoV-2 and pinpointed a gene that seems to help resist the virus before it can take hold

Air temperatures in Joshua Tree, California, exceeded triple-digits on June 5, 2024.

Extreme Heat and Wildfire Smoke Should Be Considered 'Major Disasters' by FEMA Amid Climate Crisis, Advocates Say

Despite killing more people in the U.S. each year than hurricanes, floods or tornadoes, heat waves aren’t currently eligible for emergency funding from the disaster relief agency

A 2019 study found that teenagers who spend more than three hours per day on social media have double the risk for anxiety and depression symptoms.

Surgeon General Calls for Placing Warning Labels on Social Media Platforms

Vivek H. Murthy views social media as a contributor the mental health crisis in young people, and he suggests tobacco-style warnings on the apps

Many new technologies are being developed to help diagnose mental illnesses.

Can Technology Help Us More Accurately Diagnose Mental Illnesses?

A new wave of tools promises to offer quicker, more objective assessments to help patients and clinicians

A female Anopheles mosquito, the type that transmits malaria.

Ancient DNA Illuminates the History of Malaria, One of the World's Deadliest Diseases

Researchers extracted parasitic DNA from preserved teeth and bones, revealing how malaria spread across the globe in a new study

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