Notebook
- Climate
50 years ago, scientists puzzled over a slight global cooling
Five decades ago, scientists were puzzled over a slight dip in global temperatures. Today we know it was just a blip, and that Earth’s climate is warming thanks to industrial activity over the last century.
- Health & Medicine
50 years ago, cancer vaccines were a dream
Researchers are now prodding the immune system to fight cancer, reviving the longtime dream of creating cancer vaccines.
- Life
Saharan silver ants are the world’s fastest despite relatively short legs
Saharan silver ants can hit speeds of 108 times their body length per second.
