Disease

Colorized scanning electron micrograph of a cell (green) infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample.

Scientists Identify 12 Major Symptoms of Long Covid

The effort is a step toward accelerating research and finding treatments for the debilitating condition

An MRI of the brain of a person with Alzheimer's not connected to the new study.

A Man's Rare Genetic Mutation May Have Prevented Alzheimer's for Decades

Scientists hope the findings could lead to treatments for the memory-destroying disease

A Babylonian clay model dated to 1800 B.C.E. shows a nude couple on a couch engaged in sex and kissing.

Humanity’s First Recorded Kiss Was Earlier Than We Thought

Ancient texts suggest romantic smooching, and likely the diseases it transmitted, were widespread in Mesopotamia

A diver takes a rubbing of John Greer’s gravestone underwater at Dry Tortugas National Park.

Cool Finds

Quarantine Hospital and Cemetery Found Underwater Off the Coast of Florida

Before it was submerged, a small island was home to 19th-century yellow fever patients

A pharmacist delivers a Covid-19 booster shot in Chicago during a clinic for seniors.

Covid-19

When Should I Get Another Covid Booster?

Here’s what you need to know about getting your next vaccine

Melanoma cancer cells under a microscope

New mRNA Vaccine Shows Promise Against Skin Cancer

Research suggests the personalized vaccine, paired with an immunotherapy drug, can reduce melanoma recurrence in high-risk patients

Kathleen Corradi, New York City's new director of rodent mitigation, at a press conference on April 12, 2023.

New York City's First 'Rat Czar' Will Fight Its Rodents

Kathleen Corradi says she will "bring a science- and systems-based approach" to the job

An analysis of genetic samples taken in 2020 from a market in Wuhan, China, found both the coronavirus and raccoon dog DNA.

Genetic Evidence Ties Covid's Origin to Raccoon Dogs

New data support the theory that the virus causing Covid-19 first spread to humans from animals

Since the pandemic began, the country has implemented strict zero-Covid poicies.

China Fully Reopens to Travelers After Three Years of Closures

Hoping to boost its tourism industry, the country is now issuing all types of visas

To collect a saliva sample, technicians instruct a person to tilt their head for two to five minutes and spit the accumulated saliva into a sterile tube. The saliva-filled tube is kept on ice and sent to the laboratory to test for the presence of biomarkers for cancer or other diseases.

Is Saliva the Next Frontier in Cancer Detection?

Scientists are finding tumor signals in spit that could be key to developing diagnostic tests for various types of cancer

A worker catches chickens at a market in Cambodia, where a girl recently died from avian influenza.

Bird Flu Causes the Death of an 11-Year-Old in Cambodia

A father and daughter both contracted avian influenza, the first cases in the country since 2014

Two brothers’ remains were found buried together under the floorboards of their home. One had a hole in his skull consistent with surgery.

This Man Underwent Brain Surgery 3,500 Years Ago

Researchers discovered a punctured skull below the floor of a home in what is now Israel

An image taken through a microscope of bone marrow tissue. To cure the patient of HIV, researchers destroyed his bone marrow cells and gave him a donation of stem cells with an HIV-resistant mutation.

Patient Cured of HIV After Stem Cell Transplant, Researchers Say

He is at least the third person cured in this way, which would likely be too risky for patients who don’t also have cancer

Personnel bury pelicans that may have died from avian flu in Lima, Peru, on December 7, 2022. At least 585 seals and 55,000 birds have been found dead in Peru, likely due to avian flu.

As Bird Flu Spreads to Mammals, Health Officials Urge Caution

Transmission between minks has called attention to the potential risks to humans, though experts say not to panic

Some fungi can take over ants' minds, killing the host and using its body to spread spores to other victims.

The Real Zombie Fungus That Inspired HBO's 'The Last of Us'

Humans will probably never face a fungal apocalypse, but in the insect world, mind-controlling fungi can pose a serious threat

Debra Babalola and Shefali Bohra invented Dotplot, a device that can help users monitor their breast health.

A New Tool Could Help Detect Breast Cancer Earlier

Dotplot gives users real-time feedback and builds a personalized map of their chests

Residents of Washington, D.C. wait in line to get Covid-19 test kits in December of 2021. The United States lagged behind other nations in testing during the first few months of the pandemic.

Six Lessons We’ve Learned From Covid That Will Help Us Fight the Next Pandemic

Public health experts weigh in on the steps America needs to take to stem a future outbreak

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The Ten Most Significant Science Stories of 2022

From Omicron’s spread to a revelation made using ancient DNA, these were the biggest moments of the past year

Only a quarter of American adults have received their flu shot this year. 

U.S. Flu Hospitalizations Highest in a Decade

The CDC estimates that 120,000 people have been hospitalized since October

The northern long-eared bat was listed as threatened in 2015. It will officially be reclassified as endangered in January 2023. 

Decimated by Fungus, the Northern Long-Eared Bat Is Now Endangered

A disease called white-nose syndrome has killed millions of bats in North America

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