Raluca Iosu

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How A Black Hole Sleeps

It ate a bunch of stellar gas and now it needs a nap.<p>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 light years away, is currently taking a wee little napsy.<p>We first spied this black hole about …

Elephants understand pointing, scientists show

Elephants understand pointing without being trained to recognise the human gesture, research has shown.<p>Scientists believe they may even use their trunks to communicate in a similar way to pointing. The ability may have evolved from the complex social system elephants inhabit, which involves …

What Humans Can Learn From A Simple Kiss

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?<p>But could kissing also be a tool with a purpose?<p>Psychology graduate student Rafael Wlodarski, from the University of Oxford, wanted to …

If You Can Smell This, You May Not Have Alzheimer's

A new diagnostic test involves a dollop of peanut butter.<p>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. After all, what's less invasive than asking someone to smell some delicious peanut butter?<p>"The …

Alzheimer's treatment: landmark study gives hope for simple pill

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.<p>The research, performed on sick mice, is at a very early stage and it could be a decade or more before any medicine is developed.<p>But experts say the results …

Nobel prize for simulating lightning-fast chemical reactions

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.<p>Martin Karplus of Harvard University, Michael Levitt of Stanford University and Arieh Warshel of the University of Southern California will …