Invisibility cloak on way after sonar breakthrough
High-tech 'metamaterials' can make objects invisible to sonar, scientists have found. It's a step towards the ultimate camouflage, which could one day allow people to disappear entirely.
Born to argue: the new theory of rational thought
A new theory has caused a storm among psychologists by suggesting that rational thought is a way to win fights and that faulty reasoning may actually be a good thing.
Climate Week 2011: How can we help cut carbon?
Climate Week ends this Sunday. People around the world have been asking what they can do to make their lives greener. Turns out, the answer's not straightforward.
In Jeopardy: computer challenges human race
A computer program is challenging humans in a popular quiz show this week... It's a giant leap forward for AI but questions persist over just how far machines can go...
If you’re happy and you know it, clap your hands
Or fill in a form. The government wants to measure our levels of happiness, but do we even understand what makes us happy?
‘Tiger mother’ takes on western parents
A new book has caused a storm by suggesting that western parenting is too lax. Chinese parents, writes the author, know that strict discipline is the path to success.
Uncorked! World’s oldest winery discovered
The world’s oldest winery has been discovered in an Armenian cave; so we’ve been drinking alcohol for at least 6000 years. Is that something to celebrate?
Teenage Soldiers – Army Schools Under Fire
A sixteen-year-old boy is too young to buy a copy of a war-themed video game. Is he old enough to join the army?
The family doctor whose prescription was death
A GP has given an interview defending his decision to speed his elderly patients’ end. He claims he was motivated by compassion. Now he faces possible murder charges.