The great physicist Enrico Fermi asked this question in the 1950s. There are more than 50 possible "solutions" to Fermi's Paradox: Here, astrophysicist Marcelo Gleiser explores a few.
Tiny filler words in human rapid-fire conversation hold the key to understanding how language is unique, according to a new book. But anthropologist Barbara J. King raises some questions.
The Society for Neuroscience meeting is taking place in Washington, D.C., this weekend. Researchers there are focusing on how to find the biological underpinnings of mental disorders.
Over time, the expansion of the cosmos and the passage of light has unlocked 63 orders of magnitude to us, each one a new opportunity for novelty and complexity, says guest blogger Caleb Scharf.
Now that recreational marijuana use in California and other states is legal for adults and marketers are ramping up ads, youth drug educators fear that kids may think it's safe for them to light up.
Students in this "Living Deliberately"' class embrace asceticism and challenge stereotypes of college kids who can't put down their cellphones, says anthropologist Barbara J. King.
Scientists have long sought a way to fight mosquito-borne viruses without pesticides. For researchers like Scott O'Neill, the Wolbachia bacteria offered that chance. But they had to prove it.
An inherited disease called epidermolysis bullosa destroyed the 7-year-old's skin. Scientists grew new skin in the lab without the genetic flaw, and replaced 80 percent of his skin. He is thriving.
We owe our existence to little photosynthetic bacteria — but there is much more to this story, as life can only mutate and adapt when the planet offers the right conditions, says Marcelo Gleiser.