science

How To Blitz Your Technology, Science, Maths And Engineering Exams

With HSC exams coming up, students will be preparing to sit a range of different exams, from English to music to biology to languages. For study in science, technology, engineering and mathematics (STEM) there are two sets of tactics for preparation: the usual, well-established ones; and the lesser-known but evidence-based approaches that have a powerful impact on learning.


Paper Towels Versus Hand Dryers (And Which Is Actually More Hygienic)

There’s a lot of debate about which method of drying your hands is actually the cleanest. This video explores the benefits of both and explains which one actually helps keep your hands the most clean.


Curb Specific Food Cravings With 'Sensory Simulation'

If you find you are constantly craving sweet or salty foods, a recent study showed that over-stimulating your brain with pictures of those foods may help kill your desire for them.


How To Stop Confusing Correlation And Causation

Just because two statistics appear to follow the same pattern, that doesn’t mean you can assume that one causes the other. Jonathan Borwein & Michael Rose from the University of Newcastle explain the fundamentals of correlation and causation.


Can You Train Your Brain To Crave Healthy Foods?

The mere sight of a slice of gooey chocolate cake, a cheesy pizza, or a sizzling burger can drive us to eat these foods. In terms of evolution we show preference for high calorie foods as they are an important source of energy. We tend to crave these rich, tasty foods not only when we are hungry, but when we are emotional, bored, or stressed out.


Help Children Avoid Depression By Teaching Them To Reframe Setbacks

Depression is a very real problem, not just for adults but for children as well. Psych Central points out one thing parents and teachers could do that can help prevent children from suffering from depression: teach a specific type of problem solving and thinking skill.


Eight Common Sleep Myths That Can Affect Your Slumber

You probably know that you don’t really eat eight spiders every year in your sleep, but did you know that there are several other sleep fallacies floating around that could be affecting your slumber?


Deathhacker: We Put A Psychic 'Ghost Whisperer' To The Test

Suzie Price is an Australian psychic and self-described “ghost whisperer” who purports to be able to communicate with the dead. Last week, we arranged for Suzie to conduct a face-to-face psychic reading with three Lifehacker staff: an ultra-sceptic, a fence-sitter and a true believer. The results were not what we were expecting…


Remind Yourself To Blink More When Staring At Your Computer

If your eyes are feeling dry and itchy, it might not just be allergies. NPR points out that as we stare at screens more and more, our eyes are drying out because we’re not blinking enough.


Five Foods You Should Always Avoid At The Supermarket

Want to stack the nutrition odds in your favour? The key is good food so here are five things to never let into your shopping trolley: lollies, biscuits, sugar-sweetened drinks, potato crisps and processed meats.