Motivated by public hazards associated with contaminated drinking water, scientists have successfully tested tiny, glowing crystals that can trap heavy-metal toxins like mercury and lead.
Researchers report that Goffin cockatoos can make and use elongated- tools of appropriate shape and length out of amorphous materials, suggesting that the birds can anticipate how the tools will be used.
In a month-long experiment using a virus harmless to humans, biologists documented the evolution of a virus into two incipient species -- a process known as speciation.
Somewhere between Earth's creation and where we are today, scientists have demonstrated that some early life forms existed just fine without any oxygen.
Flakka was believed to be behind two cannibalistic attacks that left one man blind and a married couple dead. It wasn't so. Here's why we need facts, not myths, about dangerous drugs.