Why Tracking Calories From Exercise May Sabotage Your Weight Loss

I’m a huge fan of tracking calories in order to lose weight. This process is quite powerful…with one exception. Here’s an eerie case where merely thinking about calories may nullify your progress.

When Memory Lapses Mean You Might Have Alzheimer's

From time to time, we all misplace our keys or forget someone’s name, at least for a few minutes. This may prompt worry about “getting Alzheimer’s”, particularly if we have an older parent who was afflicted by this disease.

How To See The Hubble Space Telescope From Australia

The Hubble Space Telescope (HST) has now been in orbit for 25 years and this achievement has been a wonderful excuse to pour over the telescope’s beautiful imagery, to consider its valuable contribution to science, to remember its troubled beginnings and applaud its stellar success. But one way, I’m hoping to mark the telescope’s anniversary is to hunt for it in the night sky.

Fun Facts About The Female Orgasm, Explained With Science Projects [NSFW]

Wired has put together a great little video about some of the science behind the female orgasm, using fun little science experiments as visual aids. It includes one of my favourite bits of orgasm trivia to share at dinner parties: that a woman’s pain threshold increases greatly during orgasm (yeah, I’m that dinner party guest).

Ask LH: How Safe Are Artificial Sweeteners, Really?

Dear Lifehacker,

Everyone is saying artificial sweeteners like aspartame are bad for you, and now Diet Pepsi is removing it. Should I worry about how much diet soft drink I’ve been drinking? What health hazard have I been exposing myself to all these years? And should I worry about the new sweetener that’s replacing it?

The Tea Towel Is The Germiest Thing In Your Kitchen, So Wash It Already

A recent study on food preparation found that lots of people aren’t very careful about avoiding foodborne illness, and contaminate all sorts of surfaces in the kitchen. The dirtiest item on the list? Tea towels.

How To Deal With Science Deniers

Science denial has real, societal consequences. Denial of the link between HIV and AIDS led to more than 330,000 premature deaths in South Africa. Denial of the link between smoking and cancer has caused millions of premature deaths. Thanks to vaccination denial, preventable diseases are making a comeback.

How The Last Two Digits Of A Price Can Show You're Desperate To Sell

Trying to set the price to sell something on eBay or Gumtree? The last two digits could matter a lot more than you realise, as Joshua Gans from the University of Toronto explains.

How Your Personality Affects Your Salary

Why do some people earn more than others? Research backs up the idea that workers with higher educational levels and more experience have higher salaries. And economists would typically explain higher salaries with the argument that these workers are more productive.

Genes Change Your Risk For Disease, But They Aren't Necessarily Destiny

It’s easy to fall into the trap of talking about “the gene for” a disease, but the truth is that a lot of diseases are influenced both by genetics and by other factors in your life. This infographic from Mosaic explains what that means.