It is time to do away with outlandish claims and make science duller ONE of the special things about science is its inbuilt system of self-correction. There is no such thing as scientific truth, just a set of provisional truths that are subject to revision or rejection when new information comes in. That process isn't always quick or peaceful, but it usually gets to an answer in the … News
Health Magnetic levitation can be used to separate the living from the dead A new device can separate living and dead cells using magnetism A form of magnetic levitation can separate living and dead cells without altering or damaging them in any way. The process could be used for everything from drug discovery to tissue engineering. Cells normally sink to the bottom of the fluid they are grown … News
Health We now have the technology to develop vaccines that spread themselves Prevention is better than cure, so we should start using genetic techniques to stop dangerous animal diseases jumping to humans, say Scott Nuismer and James Bull News
Humans Fukushima surfers return nearly a decade after the nuclear disaster While keen surfers take to the waves around Fukushima, plans are under way to dump contaminated water from the damaged nuclear power plant into the sea Regulars
Physics Inside the incredibly slow race to reinvent time The latest atomic clocks are so staggeringly precise that they are going to redefine the second. The only question now is when Features
Humans We are in the midst of rewriting our understanding of Neanderthals Kindred by Rebecca Wragg Sykes explains how modern techniques are helping us to better understand Neanderthals, as well as where we fit in to the family tree Culture
Puzzle 73: Does Private Perkins end up facing the right way on parade? #73 Changing guard Fifteen members of the King's 99th Dragoons are standing on parade. "Right turn!" screams the sergeant, and each soldier makes a 90° turn. Unfortunately, many of the squad struggle to know their left from their right. After this manoeuvre, five soldiers end up facing left, including Private Perkins, who is in the … Regulars
Humans Frustration with Excel has caused geneticists to rename some genes Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more Regulars