In fact, the Centre for Urban Design and Mental Health estimates that city dwellers face a nearly 40 percent higher risk of depression, 20 percent higher chance of anxiety, and double the risk of schizophrenia than people living in rural areas. Meyer-Lindenberg and his research partner Matilda van den Bosch, an environmental health researcher at the University of British Columbia in Vancouver, recently reviewed the scientific evidence for these and a number of other physical stressors to find out whether they contribute to depression. Kioumourtzoglou also hopes to see research probing whether exercise, time in nature, or other actions could offset the risks that air pollution and other hazards pose to our mental health.

Perhaps not surprisingly, then, peer-to-peer car-sharing companies like Turo are facing major resistance from the $30-billion-a-year car rental industry. So the peer-to-peer car-sharing model has expanded mightily in recent years, with companies like Turo and Getaround offering an Airbnb-like platform that allows regular individuals to rent out personal vehicles to other users at whatever price they set. Peacock also points out that Turo’s hosts don’t enjoy the advantages that traditional rental companies get, such as fleet discounts when purchasing their vehicles.

Over several days this spring, BuzzFeed News met with Twitter’s leadership and watched as twttr’s team worked on its first big push: helping people better understand what’s being said in often chaotic conversations. Jason Henry for BuzzFeed News

Cody Elam, senior user researcher, at the Twitter office in San Francisco, May 8, 2019. A couple of weeks after Stone’s tweet, and after about 4,700 people had been using the new twttr prototype, Twitter senior user researcher Cody Elam was at work, late, looking at a massive spreadsheet.

Tech company and world leaders have signed an unprecedented Christchurch Call agreement to eliminate terrorist and violent extremist content online. The meeting, the first of its kind, in Paris overnight saw all of the major technology companies, 17 countries and the European Commission sign up to the call initiated by Prime Minister Jacinda Ardern and French President Emmanuel Macron, in the wake of the Christchurch attack that killed 51 people. “Never before have countries and tech companies come together in the wake of an horrific attack to commit to an action plan that will deliver collaboratively work in new technology built to make our communities ultimately safer.”

Amid new complaints that parents can’t delete what their children say to Echo Dot Kids Edition, Amazon has admitted it doesn’t really give Alexa users the ability to truly delete what they say to Echo devices. “When a customer deletes a voice recording, we also delete the corresponding text transcript associated with their account from our main Alexa systems and many subsystems, and have work underway to delete it from remaining subsystems,” an Amazon spokesperson said in an email to CNET. Amazon is amassing these transcribed copies of voice recordings from the more than 100 million Alexa devices it’s sold so far, many of these being Amazon’s own Echo devices.

WASHINGTON — President Trump moved on Wednesday to ban American telecommunications firms from installing foreign-made equipment that could pose a threat to national security, White House officials said, stepping up a battle against China by effectively barring sales by Huawei, the country’s leading networking company. Mr. Trump issued an executive order instructing the commerce secretary, Wilbur Ross, to ban transactions “posing an unacceptable risk” but did not single out any nation or company. The executive order was “agnostic,” White House officials said in a call with reporters, declining to single out China as the focus.

When the time expired, I made sure to send the manager another email, to let him know that I had been present in the company only I had not received the assets I needed to do the job. I replied to the email explaining my concerns and bundled a few other questions to save time. The overestimated 20 hours project turned into a 7 weeks adventure where I enjoyed free lunches, drove 50 miles everyday, and dug through emails.

Scientists have created the world’s first living organism that has a fully synthetic and radically altered DNA code. In a two-year effort, researchers at the laboratory of molecular biology, at Cambridge University, read and redesigned the DNA of the bacterium Escherichia coli (E coli), before creating cells with a synthetic version of the altered genome. The redesigned genetic code was then chemically synthesised and, piece by piece, added to E coli where it replaced the organism’s natural genome.

Together with some related microbes, they are prodding biologists to reconsider one of the greatest events in the history of life on Earth — the appearance of the eukaryotes, the group of organisms that includes all plants, animals, fungi and more. What’s at stake is a deeper understanding of the biological leap that produced eukaryotes: “The biggest thing that happened since the origin of life,” according to evolutionary biologist Patrick Keeling at the University of British Columbia in Vancouver, Canada. For scientists half a century ago, life on Earth was split between two categories: eukaryotes, living things with cells that contain membrane-wrapped internal structures, such as a nucleus; and prokaryotes, single-celled organisms that generally lack internal membranes.

Kongkhaw has been responsible for Meena here at Maetaman Elephant Adventure, near Chiang Mai, in northern Thailand, since she was 11 months old. Wildlife attractions such as Maetaman lure people from around the world to be with animals like Meena, and they make up a lucrative segment of the booming global travel industry. When she’s not doing that, or spending the day at EcoValley, she’s chained near Meena in one of Maetaman’s elephant stalls.