Homepage
Open in app
Sign in
Get started
Aha!
Revealing the amazing science behind life’s most intriguing, strange and unexpected questions
Follow
Speed Science: Why Some People are So Much Faster than Most of Us
Speed Science: Why Some People are So Much Faster than Most of Us
Myths about sprinting ability and what’s really behind the world’s fastest humans
The Conversation U.S.
May 15
How Can This Seabird Get Enough Sleep When It Spends Weeks in the Air?
How Can This Seabird Get Enough Sleep When It Spends Weeks in the Air?
Great frigatebirds can’t land on the water, so they’ve evolved to take the ultimate power naps
Eliot Bush
May 14
Why Shaving Inflames Your Face
Why Shaving Inflames Your Face
Easy steps to improve the razor bump battlefield
Annie Foley
May 14
World’s Largest Hummingbird Finally Gets Some Respect
World’s Largest Hummingbird Finally Gets Some Respect
8 times bigger than hummers in your backyard, these relative “giants” thrive at 14,000 feet. But that’s not what surprised ornithologists.
Robert Roy Britt
May 13
When Too Much Safety is Unsafe and Unhealthy
When Too Much Safety is Unsafe and Unhealthy
Resilience does more than help us cope, and avoiding it can be harmful
Richard Gordon
May 13
Perfect Solar Storm Promises Strong Auroras Farther South Than Usual
Perfect Solar Storm Promises Strong Auroras Farther South Than Usual
The biggest solar storms in 20 years may light up the sky near you this weekend (and beyond).
Eric J. Kort MD
May 10
Why Do Some Fabrics Make Me Stink?
Why Do Some Fabrics Make Me Stink?
The surprising link between fabric type and armpit odor
Annie Foley
May 7
Aha! Introducing a New Science Publication on Medium
Aha! Introducing a New Science Publication on Medium
Revealing the amazing science behind life’s most intriguing, strange and unexpected questions
Robert Roy Britt
Jan 1
TRENDING
My Ancestors Survived the Bubonic Plague, And All I Got Was This Lousy Autoimmune Disease
My Ancestors Survived the Bubonic Plague, And All I Got Was This Lousy Autoimmune Disease
How natural selection left so many of us with incurable diseases
Carlyn Beccia
Apr 30
Why Do Batteries Have So Many Shapes and Sizes?
Why Do Batteries Have So Many Shapes and Sizes?
The answer involves a fascinating, brief history of technological innovation and market forces
The Conversation U.S.
Apr 22
Skin Tags are Yucky but Usually Harmless, Unless You…
Skin Tags are Yucky but Usually Harmless, Unless You…
Snip those annoying little pedunculated pieces of flesh and gross just gets grosser
Annie Foley
Apr 15
About Aha!
Latest Stories
Archive
About Medium
Terms
Privacy
Teams