快猫短视频

Today on 快猫短视频

All the latest on newscientist.com: 3D printer recreates a 17th-century gadget, blue wave tracks flatworm death, how the sauropod got its neck and more

A tall tale: How the sauropod got its neck
At up to 15 metres long, the necks of one group of dinosaurs grew six times as long as those of any other land animal. Now we know how, says Jeff Hecht

Blue wave of death caught on camera
A wave of blue fluorescence spreads through a flatworm in its final hours, revealing the chemical trail of death 鈥 but the mechanism is a surprise

Deforestation in Congo basin slows, but for how long?
The deforestation rate in central Africa was down by a third in the decade to 2010 compared to the previous 10 years, but the trend may have reversed since

Huge methane belch in Arctic could cost $60 trillion
Melting could release 50 billion tonnes of methane into the atmosphere, costing the world the equivalent of almost a year鈥檚 global GDP

It鈥檚 official: we鈥檙e seduced by cigarette packaging
Results from smokers in Australia suggest that plain packaging makes cigarettes less satisfying and prompts people to consider quitting

17th-century gadget gives up secrets to 3D printer
A watch so sophisticated it was 鈥渢he iPod of its day鈥 is too delicate to be handled, but a recreation will let museum visitors touch this treasure