More from Hannah Seo (Page 4)

A black and white, side-by-side photo of galaxies. On the left, a pair of interacting galaxies. On the right, an usual three-armed spiral galaxy.
Deep Space

With its latest fix, Hubble proves to be the telescope that just won’t quit

By Hannah Seo

A doctor looks at images of a brain as he performs surgery.
AI

A new AI-powered brain implant allowed a paralyzed man to speak again

By Hannah Seo

These insects have 80 times the suction power of an elephant and pee at an alarming rate
Animals

These insects have 80 times the suction power of an elephant and pee at an alarming rate

By Hannah Seo

A blue-gloved hand holds a vial of the Johnson & Johnson/Janssen COVID-19 vaccine.
COVID-19

Why the FDA issued a new warning about the J&J vaccine

By Hannah Seo

A bluish planet floats in space without a star to orbit
Deep Space

Scientists discovered four new Earth-sized rogue planets with no suns

By Hannah Seo

A human stands at the mouth of a cave looking outside.
Archaeology

A discovery found in Germany’s ‘Unicorn Cave’ hints at Neanderthal art

By Hannah Seo

Close-up of mosquito on human skin.
Health

China becomes the largest country to officially eradicate malaria

By Hannah Seo

A highly weathered human jaw bone, labeled RV 2039.
Archaeology

What a 5,000-year-old plague victim reveals about the Black Death’s origins

By Hannah Seo

An image of the black expanse of space, with stars and a galaxy in the middle. A single small star is circled in white.
Science

Astronomers just confirmed a new type of supernova

By Hannah Seo

A female nurse examines a male patient's chest for heart problems.
COVID-19

What you need to know about heart inflammation and COVID-19 vaccines

By Hannah Seo

A close-up of juvenile Hawaiian bobtail squid.
Animals

Dozens of baby squid are orbiting our planet right now

By Hannah Seo

Moray eels enjoy surf ‘n turf with a surprise second set of jaws
Animals

Moray eels enjoy surf ‘n turf with a surprise second set of jaws

By Hannah Seo

As people unmask, other viral diseases are making a dangerous comeback
Diseases

As people unmask, other viral diseases are making a dangerous comeback

By Hannah Seo

A human hand holds a common weed called a thale cress plant.
Science

One of the most studied plants in the world can grow an extra organ

By Hannah Seo

This fossil isn’t a hummingbird-sized dinosaur, but an unusual lizard
Dinosaurs

This fossil isn’t a hummingbird-sized dinosaur, but an unusual lizard

By Hannah Seo

The world now has a fifth ocean
Conservation

The world now has a fifth ocean

By Hannah Seo

Australotitan dinosaur compared to an excavator (c)Eroman Museum
Dinosaurs

This Australian behemoth is officially the largest dinosaur on the continent

By Hannah Seo

The FDA approved the first new Alzheimer’s drug in nearly 20 years. But does it work?
Health

The FDA approved the first new Alzheimer’s drug in nearly 20 years. But does it work?

By Hannah Seo

A composite image of the planet Venus.
Science

NASA hasn’t been to Venus since the ’90s. Now it’s planning two trips to our smoking hot neighbor.

By Hannah Seo

This ‘wandering meatloaf’ has teeth made from rare minerals
Animals

This ‘wandering meatloaf’ has teeth made from rare minerals

By Hannah Seo

A "chocolate frog" from New Guinea.
Animals

New Guinea has ‘chocolate’ frogs, but they’re not for eating

By Hannah Seo

A doctor puts a bandage on a woman's arm.
COVID-19

Why Belgium is limiting the Johnson & Johnson COVID vaccine to adults over 40

By Hannah Seo

man in mask stands in front of brick wall
COVID-19

Low testosterone in men is linked to more severe COVID-19, but we have no idea why

By Hannah Seo

A visual detection test.
Gene Editing

Green algae genes helped a blind man see for the first time in 40 years

By Hannah Seo

A solar eclipse.
Science

Why June’s sunrise eclipse will be worth waking up for

By Hannah Seo

A Garibaldi fish swims through a California kelp forest.
Animals

These newly discovered sea sponges were hiding in plain sight in California’s kelp forests

By Hannah Seo

A tangle of macaque monkeys.
Animals

Laughter is a key part of play for many animals

By Hannah Seo

"Mars spiders," formations caused by underground carbon dioxide fizzing to the surface in springtine.
Mars

Scientists brought ‘Mars spiders’ to Earth—here’s how

By Hannah Seo

Shoreline
Animals

This rare ‘Finding Nemo’ fish mysteriously washed up on a California beach

By Hannah Seo

A cave.
Biology

Millennium- old poop reveals the surprising diversity of our ancestors’ microbiomes

By Hannah Seo

middle schoolers
COVID-19

Kids age 12 to 15 can now get vaccinated in the US

By Hannah Seo

The Panga ya Saidi cave, where the oldest African burial remains were discovered.
Archaeology

The earliest known human burial in Africa was a carefully laid down child

By Hannah Seo

The planet Venus
Science

Radio signals detected on Venus weren’t sent by aliens

By Hannah Seo

fridge
Environment

The EPA is cracking down on more of the greenhouse gases in your fridge

By Hannah Seo

Pfizer and Moderna are studying their COVID vaccines in kids as young as 6 months
COVID-19

Pfizer and Moderna are studying their COVID vaccines in kids as young as 6 months

By Hannah Seo

Megalithic jars in a Laos forest
Archaeology

Archaeologists finally uncovered some of the mystery behind Laos’s Plain of Jars

By Hannah Seo

A tawny frogmouth bird.
Animals

On Instagram, this quirky bird soars above the rest

By Hannah Seo

A closeup of a mosquito
Health

Scientists have created the most effective malaria vaccine of all time

By Hannah Seo

Dinosaur bones in museum.
Dinosaurs

The T. rex ‘dynasty’ reigned for more than 125,000 generations

By Hannah Seo

The biggest animal ever to fly was a reptile with a giraffe-like neck
Animals

The biggest animal ever to fly was a reptile with a giraffe-like neck

By Hannah Seo

An ant on a bright green leaf.
Animals

In the battle for the crown, Indian jumping ants shrink and regrow their brains

By Hannah Seo

person getting a covid vaccine
COVID-19

The pause on Johnson & Johnson’s COVID vaccine doesn’t mean it’s not safe

By Hannah Seo

Person in white jacket wearing a red HIV/AIDS ribbon.
Diseases

An HIV vaccine could arrive sooner than we thought—using Moderna’s mRNA tech

By Hannah Seo

Doctor examines MRI brain scans.
COVID-19

COVID-19 survivors may have higher risk of anxiety, depression, and neurological disorders

By Hannah Seo

Vaccine vials in a lab
COVID-19

What went wrong with AstraZeneca’s COVID vaccine data?

By Hannah Seo

Older man wearing a medical mask
COVID-19

Is it okay to mix and match COVID-19 vaccines? We’ll know soon enough.

By Hannah Seo

Healthcare worker speaks with patient.
COVID-19

Getting COVID after vaccination is really rare—and likely to be more mild

By Hannah Seo

Brown bear walks on trail
Animals

Scientists stuck grizzly bears on treadmills and confirmed they hate hills as much as we do

By Hannah Seo

Astronaut Scott Kelly taking a selfie in space
Fitness & Exercise

Spending time in space could shrink your heart

By Hannah Seo

Close up view of a "giant larvacean" (blue tadpole-like animal) and its "inner house."
Animals

These animals build palaces out of their own snot

By Hannah Seo

newborn baby with its parent
COVID-19

We now know babies can be born with COVID-19 antibodies

By Hannah Seo

A person lying on a white mattress in dim light, with one arm across their forehead, one arm on their stomach, and a phone next to them.
DIY

The best way to prevent arm pain from using your phone too much

By Hannah Seo

mars image
Mars

11 eye-opening images from NASA’s Mars missions

By Hannah Seo

Mona Chalabi fermented food chart
Science

See the wonderful world of fermented foods on one delicious chart

By Hannah Seo

Ana Galvañ illustration
Science

Why you never forget how to ride a bike

By Hannah Seo

An open dictionary with a red cover on a table
Science

Local languages are dying out and taking invaluable knowledge with them

By Hannah Seo

Lynda Gehrman demonstrates a seated calf raise
DIY

Six seated exercises to keep you limber at your desk

By Hannah Seo

A mother wolverine and her kits ascend a tree.
Animals

Mount Rainier’s first wolverine mama in a century is a sign of the species’ comeback

By Hannah Seo

light reading
Science

Why scientific papers are growing increasingly inscrutable

By Hannah Seo

intestines microflora
Cancer

Gut bacteria might flip the effects of a common cancer-causing mutation in an unexpected way

By Hannah Seo

rocky outcropping in very blue tropical waters
Climate Change

Citizens of Mauritius are cleaning up a major oil spill themselves

By Hannah Seo

bottlenose dolphins
Animals

Manmade pollutants could be harming marine mammals more than we think

By Hannah Seo

Woman waiting for airplane with coronavirus mask.
COVID-19

The safest way to travel during the pandemic

By Hannah Seo

Founded in 2017, ClearMask makes plastic face guards for surgeons and other medical practitioners. Now it's turning its attention to pandemic equipment.
Health

Clear masks help the hard of hearing, but they could benefit everybody

By Hannah Seo