TECH

Where in the world are the smartest school kids? By SIGNE DEAN

// < ![CDATA[ google_ad_client = "ca-pub-1268290217303281"; google_ad_slot = "4762808658"; google_ad_width = 300; google_ad_height = 250; // ]]> // < ![CDATA[ // ]]> There's no simple answer to what constitutes 'smart'. These days, we're inclined to think you can't go by intelligence quotient (IQ) results alone, because while these tests are great for measuring separate mental faculties, an IQ number doesn't seem to predict overall intelligence accurately enough. Then there is also a measurement called general intelligence or 'g factor'. It was first descr

TECH

Lab-grown burgers could be on your plate by 2020

Many of us enjoy the taste of a burger, but the negative impacts on the environment caused by the production of beef - not to mention the harm caused to the cattle providing it - are well known. Now there's hope for a better kind of beef: beef that's grown in a lab, and Dutch scientists think these artificially created 'test tube' burgers could be ready for public consumption within the next five years. The very first lab-grown meat made from real beef stem cells was produced in 2013. However, at a price of US$325,000, it wasn't exactly a practical option for McDonal

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Men should not wear boxers and sleep naked to keep sperm healthy, study finds

It’s long been suspected that the underwear men use and the positions they hold their bodies in can affect sperm quality, and now new research has backed up the notion that men should be free and unfettered in the interest of having children. According to a recent study, men who wore boxer shorts during the day and nothing to bed had significantly lower levels of damaged DNA in their sperm compared to those who wore tight underpants during the day and at night. “Among men in the general population attempting pregnancy, type of underwear worn during the day and to

TECH

Watch: This is the world’s lightest metal

A few years ago, researchers created the world's lightest metal for Boeing, and now the airline has shown it off for the first time in this new video. Called microlattice, the material is 100 times lighter than styrofoam but is as rigid as metal, which means that it has some pretty exciting applications - not limited to being able to balance on top of a dandelion. (more…)