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Wednesday, April 22, 2026 8:28 AM ET

Scientific American - Top Stories

Earth Day - April 22, 2026 - Whatever happened to the ozone hole, acid rain and DDT?

1 hour ago

Amid climate doom, here's an Earth Day reminder about spectacular environmental wins

2 hours ago

These monkeys are literally eating dirt to help digest human junk food

3 hours ago

Earth Day in the Artemis era: Can NASA's moon missions spur a new environmental movement?

1 hour ago

Today's Hard Sudoku

1 month ago

A robot ran a half marathon faster than a human. Here's why folding laundry is still harder

1 hour ago

Hegseth says U.S. military no longer requires flu vaccination, drawing criticism from health experts

17 hours ago

Mathematicians found out why waiting for the elevator takes forever

18 hours ago

What if time were reversed? Physicists show how time could flow backward on a quantum scale

19 hours ago

The hidden cause of heart disease is inflammation

8 days ago

How strange new 'altermagnets' could rewrite physics

8 days ago

How birds survived the dinosaurs' doomsday

8 days ago

Space hotels are coming soon

8 days ago

Inside the labs where chemists engineer luxury perfumes

8 days ago

How a lost 1812 wristwatch sparked a 200-year race in precision engineering

8 days ago

Can sunlight cure disease?

1 month ago

Can peanut allergies be cured?

1 month ago

How much vitamin D do you need to stay healthy?

1 month ago

Personalized mRNA vaccines will revolutionize cancer treatment-if funding cuts don't doom them

1 month ago

New nasal vaccines offer better protection from COVID and flu-no needle needed

1 month ago

These cancers were beyond treatment-but might not be anymore

1 month ago

Check out our other newsletters

1 year ago

'Cocaine hippos,' faster aging with HIV and the hidden dangers of inflammation

2 days ago

The dinosaurs at your window: How birds survived the asteroid that killed all other dinosaurs

5 days ago

The fans who went from collecting Pokemon to studying bugs and fossils

7 days ago

Artemis proves NASA can return to the moon. Now comes the hard question: Why?

9 days ago

Where do you stand on the use of peptides for health and wellness?

17 hours ago

Do you think it's a good idea to be able to unlock memories from the past?

4 days ago

Society & Policy -- FBI investigating possible links between deaths and disappearances of at least 10 scientists

1 hour ago

Space Exploration -- NASA's 2028 moonshot may be delayed because of lack of space suits, watchdog report warns

18 hours ago

Pollution -- Here's what happens when you give salmon cocaine

22 hours ago

Autism -- Here's what the autism spectrum really looks like

8 hours ago

Epidemiology -- Why firstborns may be more likely than secondborns to be autistic or to have allergies

3 hours ago

Artificial Intelligence -- What is Mythos, Anthropic's unreleased AI model, and how worried should we be?

4 days ago