Now playing Next World News Jupiter moon may have huge, jagged ice blades that complicate the search for alien life Europa's cold, dry atmosphere is the perfect place for "penitentes" to grow. 10/10/2018
Now playing Next World News Lights, camera, political action: Midterms bring out the Hollywood heavyweights Since Trump became president, Hollywood stars have shown far more interest in using their power to effect political change. 10/10/2018
Now playing Next World News We're falling short on efforts to stop global warming. Here's how we can get on track. Climate scientist Rachel Licker is optimistic that transformative changes can prevent a dangerous rise in sea levels and the loss of our coral reefs. 10/10/2018
Now playing Next Business Amazon scraps secret AI recruiting tool that showed bias against women Amazon.com Inc's machine-learning specialists uncovered a big problem: their new recruiting engine did not like women. 10/10/2018
Now playing Next World News Fox in the mouse house — Disney names batch of new executives The appointments, which were long anticipated, amount to a Fox-ification of Disney's television unit. 09/10/2018
Now playing Next World News Robotic 'skin' transforms stuffed animals into soft bots. And that's just the beginning. Researchers say improved robots created with the new technology could save lives in hazardous environments. 09/10/2018
Now playing Next World News Facebook's new video chat device met with privacy concerns One prominent tech journalist likened the new products to the "Telescreen" from George Orwell's "1984." 09/10/2018
Now playing Next World News Google+ says it found security flaw in March but chose not to tell users The flaw meant some Google+ profile information that users had thought was private could have been viewed by third parties. 09/10/2018
Now playing Next World News Teaching coral to toughen up could help reefs survive climate change Scientists explore ways to help coral thrive in the face of climate change. 06/10/2018
Now playing Next Hungary Europe's brighest inventors recognised at Innoveit Forum in Budapest Some of Europe's best new inventions were showcased at a special forum in Hungary. 05/10/2018
Now playing Next World News Feeling the noise? Try opening your eyes to silence What if we could drown out the ambient noise and make an effort to hear ourselves think? Our bodies could benefit just as much as our minds. 05/10/2018
Now playing Next World News Donna Strickland's long journey from laser jock to Nobel Prize winner The newly minted Nobel laureate says progress is being made with the representation of women in science. 04/10/2018
Now playing Next Spain Watch: World's first full-sized Hyperloop capsule unveiled in Spain The high-tech transportation would allow a trip from Barcelona to Madrid to be trimmed to just 25 minutes. 04/10/2018
Now playing Next World News Could we be living in a simulation? Scientists are looking for ways to put this mind-bending idea to the test. 03/10/2018
Now playing Next World News Chemistry Nobel goes to three scientists who 'harnessed the power of evolution' The researchers' discoveries mean faster development of drugs, fuels and other products. 03/10/2018
Now playing Next World News With a push of a button, FEMA's 'Presidential Alert' to be tested Wednesday People cannot opt out of the new alert, which is scheduled for its first test at 2:18 p.m. ET. 03/10/2018
Now playing Next World News Sperm-inspired robots could be the next big thing in drug delivery These flea-sized drones would swim through patients' blood vessels to deliver life-saving medication. 03/10/2018
Now playing Next World News How a colossal elevator could revolutionize space travel Researchers are racing to make this science-fiction idea a reality. 03/10/2018
Now playing Next World News This robo-jellyfish aims to rescue our reefs The squishy bot is designed to collect critical information without harming reefs or disturbing marine life. 02/10/2018
Now playing Next World News Can't spot the bot? In California, they have to reveal themselves The law comes as concerns about social media manipulation remain elevated. 02/10/2018