Move over karyotypes—genetic disorder detection has vastly improved. Researchers are now using array CGH (aCGH), to quickly scan through an entire genome for imbalances. Because aCGH facilitates ...

GQ put together a list of the most stylish & best loafers for men on the market. From Gucci slip-ons to G.H. Bass penny loafers, these are the ones every man wants.

Number columns allow you to take large numbers and subtract one from another. Find out more in this Bitesize Primary KS2 Maths guide.