Now playing Next USA Ancient star explosions could have led early humans to walk upright Scientists say supernovas blasted the early Earth with radiation that triggered forest-razing wildfires, prompting early humans to become bipedal. 30/05/2019
Now playing Next United Kingdom Lift off looms for world's first international jet suit races Three Jet suit pilots took to the skies over Gloucester Docks, England, to demonstrate their manoeuvres. 30/05/2019
Now playing Next USA In U.S.-China trade war, rare earth elements are latest flashpoint The elements are a crucial component of products that cut across the U.S. economy, not only in the tech sector but the energy, automobile and defense industries as well. 30/05/2019
Now playing Next USA Pelosi slams Facebook for refusing to take down doctored videos Hillary Clinton called the Pelosi video "sexist trash" during a commencement speech at Hunter College in New York on Wednesday. 29/05/2019
Now playing Next USA How did Earth get its water? Scientists think they know A new theory holds that the same cosmic collision that created the moon more than 4 billion years ago brought water to our planet. 29/05/2019
Now playing Next USA AI just finished Franz Schubert's 'Unfinished Symphony' Artificial intelligence is giving composers new tools for composing and collaborating, but some see a downside. 29/05/2019
Now playing Next USA Uber will starting banning riders with low ratings "Respect is a two-way street, and so is accountability," the company said in a statement explaining the new policy 29/05/2019
Now playing Next USA 'It's an enemy of women': Saudi sisters recount how an app kept them down — until they tricked it The Absher app, which provides access to government services, has drawn international scrutiny for its role in perpetuating Saudi Arabia's guardianship system. 29/05/2019
Now playing Next USA What's fueling the spate of recent tornadoes across the U.S.? Scientists say the number of tornadoes per outbreak is increasing, but explaining this uptick has been challenging. 28/05/2019
Now playing Next USA Video game addiction is a mental health disorder, World Health Organization says The WHO calls gaming addiction "a pattern of persistent or recurrent gaming behavior" so severe it "takes precedence over other life interests". 28/05/2019
Now playing Next USA Did the Iranians create fake U.S. social media accounts and pose as GOP politicians? No one can be certain who was behind a pro-Iran influence campaign, according to reports released Monday by Facebook and cybersecurity firm FireEye. 28/05/2019
Now playing Next China Watch: Galaxy of drones light up Guiyang night sky 3D designs of love hearts, butterflies and the human body can be spotted in a rainbow of colours. 28/05/2019
Now playing Next USA Amazon removes books promoting dangerous bleach 'cures' for autism and other illnesses The books focus on chlorine dioxide, which doctors and federal regulators say amounts to industrial bleach and can cause permanent harm. 28/05/2019
Now playing Next USA Animals will 'downsize' over the next century, new study says. Here's why. As human activity pushes rhinos and other large species to extinction, small insect-eating creatures could flourish. 28/05/2019
Now playing Next USA Jeff Bezos' ex-wife MacKenzie to donate half of roughly $37 billion "No drive has more positive ripple effects than the desire to be of service," she wrote. 28/05/2019
Now playing Next USA 100 years ago, this eclipse proved Einstein right and changed our understanding of the universe When the moon blotted out the sun on May 29, 1919, scientists were able to confirm the physicist's theory of relativity. 27/05/2019
Now playing Next USA A 'Fornite' player's lawsuit against his own team is taking on the 'Wild West' of esports "I don't know how likely it is to build an esports union but I do think it's absolutely a necessity," one industry expert said. 26/05/2019
Now playing Next world news With trade differences in the background, Trump and Abe do diplomacy over golf and sumo With trade differences in the background, Trump and Abe do diplomacy over golf and sumo 26/05/2019
Now playing Next USA Space aliens are breeding with humans, university instructor says. Scientists say otherwise. Outlandish claim has a secret breeding program creating alien-human hybrids who can survive climate change. 25/05/2019
Now playing Next USA Doctored Pelosi videos offer a warning: The internet isn't ready for 2020 The Pelosi videos and their narratives were not the product of advanced technology, nor did they take a different route to prominence than previous misinformation efforts. 24/05/2019