Whether you just don't have air conditioning or want to save money on energy, there are lots of ways to keep cool as the mercury rises. Here are some good ones.

Have you ever noticed a moment of breathlessness as you wait for Twitter to load, your email to refresh, or your Bluetooth device to connect? Your muscles seizing up as you wait for your technology to work? Annoyance at your phone your phone temporarily turning into the damn RMS for a whole six seconds?

Stifling a sneeze may be the purest, simplest body hack. We've posted a couple of methods before (pull on your nose, put a finger under it, or bite your lip), but I've always relied instead on pressing my tongue on the roof of my mouth. (You can also tickle instead of pressing.)

When former DARPA chief Regina Dugan announced on stage last month that Facebook planned to build a brain computer interface to allow users to send their thoughts directly to the social network without a keyboard intermediary, it had all the Silicon Valley swagger of Facebook circa "move fast and break things". With the same audacity with which any other Facebook product might be announced, Dugan explained that the company hopes to have this revolutionary brain-hack ready to ship "within a few years".

If you suffer from tinnitus, or a constant "ringing in your ears", this bizarre trick you do with your hands might offer some small respite.

Even if you're a night owl, you can still have more productive mornings if you put in a little effort to make getting up easier. Of course, it still won't be easy, but if you like the idea of a more relaxing start to the day, here are some suggestions to get you started.

Charles Darwin once said that blushing is the most peculiar and most human of all expressions. While it's definitely a common response to embarrassment, anger, or maybe one too many drinks, this video explains what's happening in our body and how blushing can actually be kind of endearing.

Activity trackers and sleep tracking apps will happily give you stats on your sleep: How many hours you were in the sack, for example, and whether that sleep was good "quality". But you can't take those numbers at face value, and some of them are flat out wrong.

"Power poses", or the idea that faking powerful body language reduces stress and improves your performance in a stressful situation, is a tip we've repeated several times. However, one of the lead researchers behind the idea has made a complete about-face, and so should we -- unless, of course, it works for you.

Jet lag is no joke, but you don't have to resign yourself to suffering. Along with getting some extra sun at just the right time, prepping before your trip, and a good cup of tea, here are a few ways you can beat back the effect of jet lag, whether you're flying east (when it's worse) or west.

We've mentioned before that sleeping in the nude has all sorts of benefits, including deeper, better sleep and helping you stay cool while you rest, but this video from DNews wraps up all of those benefits nicely, and adds some more we haven't discussed.

Everyone's familiar with a brain freeze: You eat or drink something cold a little too fast and suddenly your head erupts in a flash of pain. We all get them and try to avoid them, but this video explains why they happen at all.

Every fight has a winner and a loser, and unless you spend some serious time training, there's a good chance you'll be the loser at least once. Hopefully, it will never happen, but if it does, these techniques will help you roll with the punches and walk away with only a few scrapes and bruises.

Winter is coming, and that means that everyone is busy getting flu shots, pestering their grandmothers for home cold remedies and distancing themselves from anyone who shows so much as a sniffle. As it turns out, however, avoiding illness this winter could be far easier (and more disgusting) than you've been led to believe.

The Aussie summer might be over, but it's still plenty hot with temperatures regularly hitting the high 30s from coast to coat. This infographic looks at the various ways dehydration affects your mind and body, along with some tips to up your water intake.

Everyone seems to have a special cure for the hiccups, but there is very little scientific evidence to support most of them. This video reveals which remedies don't quite add up and explains why.

Ever have a calf cramp wake you up in the middle of the night, or knock you down in the middle of a workout? There's a way to send that cramping, spasming muscle a signal to relax: contract the opposite muscle.

Mornings are tough, but the right kind of shower can help. Alternate between extreme cold and hot temperatures to get energised and ready for your day. Here's why it works.

Whether it's an all-nighter or a boring meeting at work, we've all caught ourselves fighting to stay awake. Press the bridge of your nose to stay awake in a pinch.