By Heidi Harley

science / science - 6 years ago

China postpones lifting rhino, tiger parts ban

China appeared to backtrack on a controversial decision to lift a ban on trading tiger bones and rhinoceros horns, saying it has been postponed, state media reported Monday. The State Council, China's cabinet, unexpectedly announced last month that it would allow the sale of rhino and tiger product...

science / science - 6 years ago

Scientists to swap dusty old kilogram for something more stable

The kilogram has been defined since 1889 by a shiny piece of platinum-iridium held in Paris. All modern mass measurements are traceable back to it - from micrograms of pharmaceutical medicines to kilos of apples and pears and tonnes of steel or cement. The problem is, the "international prototype...

science / science - 6 years ago

The winged drone that flies like an insect

Researchers in the Netherlands have developed a flying drone after studying the flight behaviour of insects.  The DelFly Nimble weighs just 29 grams and measures 33 centimetres in wingspan. Its four flapping wings beat 17 times per second. Designer Matej Karasek explains 'there are two tiny mot...

science / science - 6 years ago

What are the climate change consequences of the midterm elections?

This is a& re-post from the Bulletin of the Atomic Scientists Over the past two years, the Trump administration, aided by the Republican-controlled Congress, has eroded the Obama administration’s policy efforts to curb global warming. Climate activists had hoped to reverse some of those losses...

science / science - 6 years ago

How to drive a robot on Mars

Around 9:30 Mars time, a message arrives from California, where it was sent 15 minutes earlier. The Curiosity rover executes the commands, moving slowly to its designated position, at a maximum speed of 35 to 110 meters (yards) per hour. Around 5 pm Martian time, it will wait for one of NASA's thr...