Microbes entombed in ancient salts could help search for life on Mars
Geologists discovered microbes trapped in 830-million-year-old salt minerals similar to those found on Mars.
Author: Aubrey Zerkle
How mosquitoes sniff out their prey
Mosquitoes’ brains uniquely respond to a special blend of compounds found in human body odor, allowing them to track us by smell.
Why did a bunch of asteroids hit the Earth billions of years ago?
The first cells of life on Earth had a lot to contend with. Conditions were harsh and unpredictable. The air was thick with volcanic gases.…