What is the best way to multiply two big numbers together?
Silica aerogel could warm the Martian surface similar to the way greenhouse gasses keep Earth warm
There are many unspoken rules of human interaction, whether that’s whether or not to look them in the eyes, the firmness of the handshake, smiling or words of greeting. Little things like this can lead to big judgments about trustworthiness or social acceptability.
The question of how life first emerged here on Earth is a mystery that continues to elude scientists. Despite everything that scientists have learned from the fossil record and geological history, it is still not known how organic life emerged from inorganic elements (a process known as abiogenesis) billions of years ago.
Do you feel like nutritionists are always changing their minds? Do you want science-based information about diet but don’t know whom or what to believe? Science can help you decide which diet works best for you
Picture this: A bacteria-carrying asteroid is ejected from the center of the galaxy into the far reaches of space only to be “captured” by a distant solar system, potentially bringing life to a new world.