Facebook has decided not to limit how political ads can be targeted to specific groups of people, as its main digital-ad rival Google did in November to fight misinformation. Neither will Facebook ban political ads outright, as Twitter did last October, and it still won’t fact check them, as it’s faced pressure to do. Instead,…

Traditionally among forest experts, fires are often seen as regenerative — critical periods in an ecosystem that clear away debris and allow important plants and animals to grow.  But as climate change and extreme droughts hit forests, woodlands in northwestern Canada may wind up burning up more often before that cycle is complete. That could lead…

A volcano in Alaska’s Aleutian Islands spewed ash into flight paths, prompting a warning to pilots by the National Weather Service. Shishaldin Volcano erupted at 5 a.m. Tuesday, the Alaska Volcano Observatory announced, and sent up an initial ash cloud to 5791.2 metres. Clouds initially obscured the mountain, but satellite imagery confirmed the ash cloud,…

On Wednesday morning, a Ukraine International Airlines flight carrying 167 passengers and nine crew en route to Kyiv crashed minutes after takeoff from Tehran’s main airport. Here’s what we know so far about the aircraft. What do we know about the flight? The flight number was PS752.  It was scheduled to take off from Imam…

The Consumer Electronics Show (CES) is the world’s largest annual consumer technology trade show, featuring about 4,500 exhibitors showing off their latest products and services to an expected 170,000 attendees. With technology aimed at a variety of lifestyles and activities, here’s a look at technology developed to keep you healthy. Meditation headband Below, Ge Zheng demonstrates the Flowtime,…

From the face scanner that will check in some attendees to the cameras-everywhere array of digital products, the CES gadget show is all-in on surveillance technology — whether it calls it that or not. Nestled in the “smart home” and “smart city” showrooms at the sprawling Las Vegas consumer tech conference are devices that see,…