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Mercury's dark surface was produced by a steady dusting of carbon from passing comets, a new study says. Mercury reflects very little light but its surface is low in iron, which rules out the presence of iron nanoparticles, the most likely "darkening agent"...
In the space of a few years, the computer game Minecraft has come to dominate the spare hours of millions of children, and has even entered the classroom. But is this an entirely good thing, asks Jolyon Jenkins. If I want to irritate my 13-year-old son, Joe, I refer to Minecraft as "digital Lego"...
Facebook has confirmed that it is opening up its Messenger service to third-party developers, allowing them to add functions of their own.
The dimmable bulb contains a filament-shaped LED coated in graphene. It was designed at Manchester University, where the material was discovered. It is said to cut energy use by 10% and last longer owing to its conductivity.
Hidden areas of the internet and encrypted communications make it harder to monitor terror suspects, warns Europol's Rob Wainwright. Tech firms should consider the impact sophisticated encryption software has on law enforcement, he said...
Researchers in Denmark have revealed how porpoises finely adjust the beams of sound they use to hunt. The animals hunt with clicks and buzzes - detecting the echoes from their prey.
The question has been raised - is 27-year-old Andreas Lubitz a mass murderer for bringing down a plane full of passengers, killing everyone on board?
Every time fundamental research hits the headlines you can be sure that someone - maybe lots of people - will question whether it's worth it...
Ford is to sell a car that can read road signs and adjust its speed accordingly to ensure the vehicle is not driving too fast. The speed-limiting tech can be activated via the steering wheel and briefly overridden by pressing firmly on the accelerator.
Parents who worry about handing over their car keys will be able to spy on their teenager's road skills and even set a speed limit soon. Chevrolet has developed a mode called Teen Driver, which can keep young drivers safe on the road...
All over the world, pregnant women are bombarded with opinions about what to eat and what to avoid. All too often, sound advice gets lost in a stew of badly-reported science and old wives' tales. For women in Korea, pregnancy tastes of seaweed soup...
Gmail will highlight important spam messages, so the next time you receive messages from "the office of the US Ambassador to Nigeria", "Mr. Lee Kun-hee of Samsung Group chief and the Hyundai chaebol" or from Gmail Security Maintenance, you'll know if they're featured in Google Spam...
The selfie stick was invented twice, two decades apart, by men on opposite sides of the world - and both times it was the result of problems experienced on a European holiday.
The suspect, reportedly a 13-year-old boy, has been arrested. His motive is unclear. Police have not confirmed the weapon used or whether he was a pupil at the Instituto Joan Foster. At least four other people were injured in the attack.
“IT’S all to do with their brains and bodies and chemicals,” says Sir Anthony Seldon, the master of Wellington College, a posh English boarding school.
The FBI has admitted "errors" in evidence provided by its forensics laboratory to US courts to help secure convictions, including in death penalty cases, over more than 20 years. More detail on the cases affected is expected later from campaign groups...
China's President Xi Jinping is due in Pakistan, where he is expected to announce $46bn (£30.7bn) of investment. The focus of the spending is on building a China-Pakistan Economic Corridor (CPEC), running from Gwadar in Pakistan's Balochistan province to China's western Xinjiang region...
A zoo in Argentina claims to have developed a system of domesticating wild animals, which is so effective that visitors are allowed to touch the zoo's lions, tigers and bears, and even feed them by hand. But experts say such close proximity poses a serious risk to animals and humans alike...
Transport officials in Pennsylvania have released footage of the moment a man fell from a subway platform in Philadelphia on Wednesday - and was rescued by a passerby. Charles Collins jumped onto the track to drag Alfred McNamee to safety.
Explore poison's paradoxical roles in nature, human health, and myth. For the latest photos, videos and more!...

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