emely celeste

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Sleep

Why brain scans aren't always what they seem

Back in 2009, researchers at the University of California, Santa Barbara performed a curious experiment. In many ways, it was routine — they placed a subject in the brain scanner, displayed some images, and monitored how the subject’s brain responded. The measured brain activity showed up on the …

The Brain

The Future of Artificial Intelligence

Undersea Cables String Together the Global Internet

Skeleton Found in Italy Cave Yields Oldest Neanderthal DNA

In 1993, scientists found an extraordinarily intact skeleton of an ancient human amidst the stalactites and stalagmites of the limestone cave of Lamalunga, near Altamura in southern Italy — a discovery they said had the potential to reveal new clues about Neanderthals.<p>"The Altamura man represents …

Anthropology

Here’s What Scientists Learned In The Largest Systematic Study Of Email Habits

For one thing, you’re shockingly predictable<p>You probably get a lot of emails. Heck, maybe someone even sent you this article in an email. And you have likely developed a systematic approach to dealing with this digital avalanche that never seems to end. Even though email has been around for about …

To Predict Future Diseases, Doctors Will Map Newborns' Genes

The crystal ball of science<p>If you could find out your baby’s future health problems right after he or she was born, would you want to know? Some new parents will get to make that decision soon. This month, doctors in Boston will begin the BabySeq project, in which they will sequence the genomes of …

Genetics

Time to see red over air pollution

Something in the air: smog was obscuring Tower Bridge in London yesterday, as red dust from the Sahara added to the poor air quality<p>Here we go again. No sooner has the spring sun finally come out than pollution goes sky high, as sunlight reacts with contaminants that have built up in the air, …

Pollution

Writer/Director Alex Garland Discusses His Latest AI-Inspired Film 'Ex Machina'

The science fiction screenwriter dishes on what draws him to the genre<p>In Alex Garland's screenplay for <i>28 Days Later</i>, he envisioned a future in which a manmade blood-borne virus turned most of the human population into crazed zombies. And with his screenplay for <i>Sunshine</i>, he detailed the plight of a …

Chocolate: does it really lift our mood and make us feel romantic? I should cocoa

It’s no surprise people have such strong feelings about chocolate<p>On Monday 12 January 2015, the chocolate formulation of the Cadbury Creme Egg was changed, and there was public uproar. This is not meant to happen: in a world where markets reign supreme, companies feel they have to continually …

Dessert

Cool Arctic squirrels may hold key to Alzheimer’s cure

The processes in their brains during hibernation are exciting scientists<p>This month, Arctic ground squirrels emerge in Alaska after eight months’ hibernation. It hasn’t been easy: during hibernation, their body temperature can drop as low as -2.9C, a record for mammals, and stay there for two to …

Alzheimer's Disease

Why our resemblance to mushrooms may hold the key to life on Earth

You might not think you have much in common with a mushroom, but Nick Lane begs to differ. “If you look at one of your cells down a microscope and you look at the cell of a mushroom you probably won’t be able to tell the difference,” he says. In fact all eukaryotes – animals, fungi, plants and …

Biology

Psychology of smiling: can you tell a fake smile from a genuine one?

Psychologist Richard Wiseman has devised a photographic test to check people’s empathy. Do you pass the test?<p>A smile is the universal welcome, the writer Max Eastman once remarked. But how sure can we be that a person’s smile is genuine? The answer is the empathy test, created by psychologist …

Psychology