Stories by Tanya Lewis

What’s going on with the Ebola outbreak, how the World Cup is dealing with rising temperatures, and how becoming a father can change your brain

Fathers show changes in some of the same brain areas as mothers, but the effect of parenthood on dads isn’t nearly as well studied

This operation opens the door to treating more people living with HIV who have end-stage organ disease

Scientists have modeled the potential size of this current outbreak, which some experts think could become one of the worst Ebola epidemics on record

Building models of the human brain to better understand disease

The Nobel laureate on why the U.S. needs to treat scientific research as an essential part of the nation’s infrastructure

This marks the first case of the New World screwworm in U.S. livestock since the parasite was eliminated in the country in the 1960s

A deadly Ebola outbreak is spreading fast—and U.S. cuts to foreign aid are making it worse

Scientific American spoke to one of the people who are currently being monitored for possible hantavirus infection at the National Quarantine Unit in Nebraska

Researchers at the Nebraska Public Health Laboratory worked round the clock to develop a test for the Andes virus at the center of the deadly cruise ship outbreak

What you should know about hantavirus, why PCOS is getting a new name, and how some fish hide in an unusual spot

The Andes type of the hantavirus is spread by “close contact,” but it’s unclear how much of that transmission occurs by inhaling airborne droplets or other means

Makary, a face of Trump’s Make America Healthy Again agenda, oversaw the embattled agency as it dealt with vaping, abortion and other issues

A deadly hantavirus outbreak occurs on a cruise ship, scientists warn that microplastics may be contributing to climate warming, and a retreating-glacier‑triggered landslide unleashed a massive Alaska tsunami

David Attenborough once directed programming at the BBC and has hosted numerous award-winning nature documentaries, but he’s always stayed down-to-earth, colleagues say

Stuart Orkin and Swee Lay Thein shared a Breakthrough Prize in Life Sciences for their research on genetic causes of sickle cell disease and beta-thalassemia that set the stage for approved gene therapies. The treatments are not accessible to everyone, though

The recent measles outbreak in South Carolina sickened nearly 1,000 people before public health officials got it under control. Vaccination can effectively prevent further spread

Lawmakers grilled Secretary of Health and Human Services Robert F. Kennedy, Jr., on cuts and changes to the U.S. Preventive Services Task Force, which focuses on preventive health screening

These guidelines reinforce the importance of whole grains and fruit and vegetables but clash with the government’s latest nutrition advice on red meat

Infections of the BA.3.2 variant of the COVID-causing coronavirus are still at very low levels, but experts are concerned it may be resistant to immunity from vaccines or prior infection

A brain-computer interface allowed two people who had lost the ability to move their limbs to type at speeds of up to 22 words per minute

Neuracle Medical Technology’s invasive brain-computer interface has been given the green light in China for people with partial spinal cord injuries

A company that makes surgical simulators released a tool to train clinicians to diagnose a deep form of endometriosis

Maryland is one of several states that are reporting cases of the infectious disease mumps, suggesting the return of diseases—like measles—that vaccines protect against