Read the latest articles from Popular Science (Page 475)

Great white shark breaching while trying to bite a seal
Biology

Great white shark sightings are up in the US, which is kind of good news

Great white sharks are protected by US laws. That's helping the predators' numbers float higher.

Plastic floating in the sea
Ocean

Plastic garbage in the sea is a life raft for pathogens

Studies show that various human pathogens cling to microplastics in seawater.

The US Navy floats its wishlist: 350 ships and 150 uncrewed vessels
Navy

The US Navy floats its wishlist: 350 ships and 150 uncrewed vessels

The approximate numbers suggest a future fleet in which more than 100 robotic vessels exist and can carry out tasks like scouting ahead.

A clay pot filled with milk, with a spoon of milk over it.
Evolution

Ancient milk-drinkers were just fine with their lactose intolerance–until famine struck

If you can't process milk sugar, it wads up in your colon.

AI controlled robot and human pressing buttons
AI

How an AI managed to confuse humans in an imitation game

Here’s how “hints of humanness” may have come into play in the Italian experiment.

hands on keyboard of laptop with phone beside it
Tech Hacks

Websites use URLs to track you. Here’s how to stop them.

Take (some of) your privacy back.

A 66-year-old patient is likely the fifth person virtually cured of HIV.
Stem Cells

Rare transplant cells have cured another HIV patient

A 66-year-old man is the fifth and oldest person successfully treated this way.

Flooded buildings and cars in neighborhood.
Climate Change

Disaster prep can save lives, but isn’t as accessible to those most at risk

“The dominant factor in anyone’s ability to minimally prepare for disaster is income level."

Golf balls on forks
Gear

A peek inside Callaway’s factory reveals the complex anatomy of high-end golf balls

Perfecting pro-grade golf balls requires a delicate balance of chemistry and engineering—and a whole lot of rubber.

The US can’t agree on what a ‘life-saving abortion’ means
Health

The US can’t agree on what a ‘life-saving abortion’ means

States with abortion bans that list exceptions for emergency procedures have left the wording ambiguous.

A pot with several different types of succulents growing in it, ripe for propagation.
Life Skills

Propagation tips for infinite houseplants

Plant reproduction looks a lot different inside a home.

particles of Marburg virus
Health

The deadly Marburg virus—a close cousin of Ebola—reemerges in Ghana

The virus causes severe viral haemorrhagic fever in humans with an average case fatality rate of around 50 percent.

gavel
Internet

A new study shows how judges in Ireland used Wikipedia in their decisions

The research aimed to uncover how much legal influence the crowdsourced site holds.

Diving mannequins enter a pool so researchers can measure what forces affect them.
Physics

What engineers learned about diving injuries by throwing dummies into a pool

Pointier poses slipped into the water more easily than rounded ones.

It’s not just you—everyone hates Instagram now. Here’s why.
Social Media

It’s not just you—everyone hates Instagram now. Here’s why.

This is what's going on with the Meta-owned social network.

a close up of a fossil horse tooth
Evolution

A centuries-old horse tooth holds clues to the mystery of the Chincoteague ponies

It was misidentified as a cow's at first, but then turned out to be from one of the oldest horses in the Americas.

A child wearing a mask receives a squirt of a nasal vaccine.
Vaccines

The White House (sort of) has a plan to create more resilient COVID vaccines

New COVID vaccines should halt variants in their tracks. But the US government hasn't committed resources just yet.

Henry Ford article How Power Will Set Men Free
Energy

Why hasn’t Henry Ford’s ideal power grid become a reality?

The industrialist's dream of agricultural-industrial micro-grids did not turn out the way he imagined.

an artist rendering of a sphere-shaped large telescope facility in a rocky terrain
Space Telescope

A new law is putting astronomy back in the hands of Native Hawaiians

It's a huge first step in Native Hawaiians' fight to regain stewardship of Mauna Kea, the planned site for the Thirty Meter Telescope.

Bees feel pain
Insects

If insects feel pain, should we reconsider how we experiment on them?

Some scientists want to grant more invertebrates ethical consideration, questioning long-held assumptions on consciousness.