It ate a bunch of stellar gas and now it needs a nap. Think of black holes as bottomless devouring machines? Not so much, it turns out: the black hole at the center of the Sculptor galaxy, about 13 million
Elephants understand pointing without being trained to recognise the human gesture, research has shown. Scientists believe they may even use their trunks to communicate in a similar way to pointing. The
At a basic level, kissing is a biohazard. What is love then, if not the willingness to expose yourself to a host of nasty diseases lurking in your partner's mouth? But could kissing also be a tool with
A new diagnostic test involves a dollop of peanut butter. You may not have heard of "the peanut butter test," but it could become a fantastically low-cost and non-invasive way to test for Alzheimer's.
A landmark British study has raised the prospect of a pill that could treat brain diseases such as Alzheimer's by halting the death of neurons. The research, performed on sick mice, is at a very early
The 2013 Nobel prize in chemistry has been awarded to a trio of scientists who developed a way for researchers to simulate chemical reactions in computers. Martin Karplus of Harvard University, Michael