Life Echoes in the brain open a window on yesterday Toss a stone into a pool and it leaves ripples long after it sinks. Ideas and experiences have a similar affect on our brains: short bouts of intense neural activity leave ripples in the brain's background activity that can still be detected 24 hours later. The finding effectively opens a window into a person's recent … News
Life Martyr myth: Inside the minds of suicide bombers Portraying suicide bombers as psychologically normal is wrong and plays into the hands of their leaders, says criminal-justice researcher Adam Lankford Opinion
Earth In this echo-free room you can hear your heartbeat (Images: Alastair Philip Wiper ) WELCOME to the weird world of blue cones. No, it's not a model of a surreal futuristic city, but a room vital to ensuring that satellites collect accurate environmental data. To enter, you go through what must be one of the strangest-looking doors on the planet (below). Inside, you can … Regulars
Space Tick tick boom, the Earth spits out a moon Did a nuclear time bomb deep inside the young Earth tear the planet apart? The evidence could be staring down at us every night Features
Earth What do we fix first – environment or economy? Dabaab refugee camp, Kenya, where Somalis fled to escape drought (Image: Zhao Yingquan/Xinhua/Gamma/Camer Press) A slew of books, ebooks, pamphlets and journals are tackling the crucial relationship between environmental crisis and financial meltdown IT IS one of the most pressing questions of our time: what is the relationship between financial and environmental meltdown? Are the … CultureLab
Enigma Number 1756 Two triangles I have drawn two triangles. The lengths of their sides are six different single-digit integers. The triangles have one angle in common. What are the lengths of the sides of the two triangles? WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 31 July. The Editor's … Regulars
Feedback: More consumption than a city Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more Regulars