cookies to track usage and preferences."
data-cookieaccepttext="I UNDERSTAND"
data-cookiedeclinetext="Disable Cookies"
data-cookiepolicytext="Privacy Policy">
After 100 years as a national park and eons as a geological wonder, the American icon continues to reveal layers of its past and of the landscape ahead
Dredging rivers, filling in wetlands and other human acts of engineering have shifted coastal ebbs and flows worldwide. Add rising sea levels, and the threat of storm surges and floods will worsen in some places.
Studies of birds, fish and ants reveal the hidden ways groups coordinate movement, which might influence engineers designing drone armadas and efficient information flow
Geologists explore the rise of the Andes, whose high-altitude peaks and plateau alter global climate
Close X
Science literacy is more important than ever. Help us combat misinformation.
Knowable Magazine’s award-winning science journalism is freely available for anyone, anywhere in the world. Our work provides a vital service in increasing the public’s understanding of science. But to keep everything free to read, we need your help. Donate today and help us inspire and inform readers everywhere.
