Not dark enough.
People in bed via www.shutterstock.com.
Is electricity making us sleep less? A new study on sleep in preindustrial societies suggests the answer is no. But it misses a big point: people in preindustrial societies spend more time in darkness than we do.
En matière d’antioxydants, le mieux est l’ennemi du bien. Un trop fort dosage fait peser un risque sur la santé. Choisissez plutôt une belle salade.
In The Martian, the stakes are neither bigger, nor smaller, than a single human life.
20th Century Fox
Review: stranded on Mars' desolate landscape, a cocky, endearing protagonist breathes life into this survival tale.
Maybe not so good?
Pills via www.shutterstock.com.
If the antioxidants that occur naturally in food are good for us, that must mean antioxidant supplements are also good for us, right? Not quite.
Why isn’t there a Late Show with Ellen Degeneres?
Studio heads are hesitant to give a woman the reins of a late night show. Are they pandering to their target audiences?
A juvenile male black-throated mango hummingbird (
Anthracothorax nigricollis) extending his tongue after drinking nectar.
By filming these ultra-speedy feeders at transparent fake flowers, researchers finally figured out how hummingbirds slurp up the nectar so fast.
Don’t stay up too late.
Mice via www.shutterstock.com
How does one prove that shift work causes breast cancer, as the authors of the new study claim? A cancer epidemiologist explains how scientists weigh evidence to figure out what causes cancer.
It’s good for you.
Blood donation via www.shutterstock.com.
After years of conflicting research and often extreme opinions on iron, it turns out that like anything else that is a benefit in moderation, in excess it is a detriment.
While we search for a cure, we are still searching for cause. A volunteer hangs bras during a promotion against breast cancer in Switzerland in 2008.
Major causes have been identified for most common cancers, like liver and lung. But we still haven't identified one for breast cancer.
Turn that off.
Light bulbs via www.shutterstock.com.
Today, most of us get too little light during the day and too much at night for our circadian rhythm to function at its best.
Once upon a time it was an eternal indestructible friendship
The remnants of the Cuba-Soviet relationship are still very much part of Cuban culture – a fact on display at this month's Miami International Film Festival
Alejandro G. Inarritu’s Birdman took home four awards, including Best Picture.
Indies to the rescue, the quiet power of foreign language films, Gen-X's crowning moment. All – and more – are covered by our experts, who weigh in on this year's Oscars.
In The Gambler, Mark Wahlberg portrays Jim Bennet, a bored literature professor whose gambling debts spiral out of control.
“Life is a losing proposition,” explains Mark Wahlberg’s literature professor/compulsive gambler Jim Bennett. “You might as well get it over with.” Intent on doing just that, Bennett runs up massive debts…
In Interstellar, Matthew McConaughey plays the protagonist, Cooper, who wears many hats: everyman farmer, laconic space hero, grieving father.
At about the midway point of Interstellar, a spacecraft descends into the atmosphere of a pristine white planet. Gliding downwards, the tip of the craft brushes against a cloud, and the cloud shatters…
A different perspective on fracking: wells in the Jonah Field, Wyoming.
The rise of hydraulic fracturing, or fracking, has ushered in an era of intense drilling that has been called the great shale gas rush. Fracking allows oil and natural gas to be extracted from horizontal…
Researchers have discovered a new way to stabilise haemoglobin, the oxygen carrier protein in the blood. Researchers wrapped…
Revolution and war: is it all just a little bit of history repeating?
They say history always repeats itself - empires rise and fall, economies boom and bust - but is there a way to map and predict the dynamical processes of history? The new and highly controversial discipline…