science

How Exercise Affects Your Body (And How To Pick The Right Workout)

We all know that exercise is good for you, but when you understand why, it makes getting off the couch and into the gym a lot easier. Here’s an explanation of what happens when you work out, and how it can help you deal with the issues you’ll run into down the line.


How Did Humans Learn To Lie?

The movie The Invention Of Lying depicts an alternate reality where humans never developed the ability to tell porkies. It was a bit rubbish really (especially if you hate Ricky Gervais), but the film’s premise does put forward an interesting question: just what caused the origin of our species’ ability to deceive? A new study points an accusatory finger at an opposing human trait — cooperation.


How Thinking Hard Really Can Wear You Out

Some days, you leave work at 5 PM ready to pick up the kids, make a three-course meal, build a birdhouse, and hit the gym. Others, you walk in the door and collapse on the couch, begging for the sweet release of reality TV to soothe your inexplicably sore body along with a delivery pizza to fuel you up for a particularly intense eight hours of sleep.


Why Feeding A Cold And Starving A Fever Won’t Help You Get Better

This winter, most of us will catch a cold. Our kids will probably catch at least two or three. We all know you are supposed to feed a cold and starve a fever. But does it really make any difference if they eat or not?


Why A Little Bit Of Stress Can Actually Be Good For You

There are times when I think I’d be much happier if I could spend the rest of my life lounging on the sands of the Mediterranean, having someone fan me with palm fronds while feeding me grapes. In other words, life would be better without any stress. Or would it?


Study Investigates Crucial Debate: Do Stubby Holders Keep Beer Cold?

Researchers and students at the University of Washington in Seattle have conducted a very important study proving, once and for all, that stubby holders do in fact keep drinks cold. Here’s the science behind it.


Do Overweight People Live Longer?

We’ve long known that too much excess weight increases your likelihood of dying prematurely. Or does it?


Ask LH: Is It Dangerous To Keep A Smartphone In The Bedroom?

Hi Lifehacker, My partner doesn’t like to have mobile phones in the bedroom while we sleep. I can understand this from a “not wanting to be woken up by irritating text message” point of view, but there is also the issue of the radiation that emanates from the little suckers as they sit there recharging. Is this a genuine health concern, a hippy fallacy, is the truth somewhere in the middle, or is the jury still out? Thanks, Bed Phone


Six Myths About Vaccination And Why They’re Wrong

Recently released government figures show levels of childhood vaccination have fallen to dangerously low levels in some areas of Australia, resulting in some corners of the media claiming re-ignition of “the vaccine debate”. (You can check how your postcode rates here.) Well, scientifically, there’s no debate. In combination with clean water and sanitation, vaccines are one of the most effective public health measures ever introduced, saving millions of lives every year.


The Complete Guide To Procrastinating At Work

Some research says the best way to spark creativity is to walk away and that the best ideas come from those least-expected “aha!” moments. So maybe procrastination isn’t such a bad thing after all. Or is time spent on those cat memes taking its toll? Can procrastinating ever be a source of productivity?


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