Boosters of genetically modified crops say it's the only way to feed a changing world. Critics say risk is too high. By David Freedman

The STEM Crisis Is a Myth. Forget the dire predictions of a looming shortfall of trained techies. By Robert N. Charette.

Many believe physics will not be complete until it can explain not just the behaviour of space & time, but their origins. By Zeeya Merali

Everything You Know About Calories is Wrong! Digestion is far too messy a process to accurately convey in neat numbers." By Rob Dunn

Elizabeth Loftus has exposed flaws in eyewitness testimony. Her ideas are gaining traction in our legal system." By Moheb Costandi

Engineered structures with bizarre optical properties are set to migrate out of the laboratory and into the marketplace" By Lee Billings.

If magnets don't have to have two poles, it could lead to an entirely new class of devices. By Jonathan Morris

During sleep, the brain weakens connections among nerve cells, conserving energy and aiding memory. By Giulio Tononi & Chiara Cirelli

Why Exercise Works Magic. Being active is good for us for many reasons beyond the old familiar ones. By various authors.

The Diabolical Genius of an Ancient Scourge. TB seems to be evolving in unexpected ways that outsmart humans. By Sally Lehrman