The Latest: Landmark change to kilogram approved
Nov16

The Latest: Landmark change to kilogram approved

The Latest on a scientific meeting on how to define weights and measures (all times local): 1:35 p.m. The international system of measurements has been overhauled with new definitions for the kilogram and other key units. At a meeting in Versailles, France, countries have voted to approve the wide-ranging changes that underpin vital human activities like global trade and scientific innovation. The most closely watched change was the...

Read More
Take a weight off: ‘Grand K’ kilo being retired
Nov16

Take a weight off: ‘Grand K’ kilo being retired

Humankind is about to sever one of the links between its present and its past. The so-called “Grand K” kilogram, a cylinder of polished platinum-iridium alloy that has been the world’s sole true kilo since 1889, is to be retired. Nations gathered in Versailles, west of Paris, are expected on Friday to instead approve the use of a scientific formula to define the exact weight of a kilogram. The change will have no...

Read More
Smoke spreading from California fires sparks health concerns
Nov15

Smoke spreading from California fires sparks health concerns

Smoke masks. Eye drops. No outdoor exercise. This is how Californians are trying to cope with wildfires choking the state, but experts say an increase in serious health problems may be almost inevitable for vulnerable residents as the disasters become more commonplace. Research suggests children, the elderly and those with existing health problems are most at risk. Short-term exposure to wildfire smoke can worsen existing asthma and...

Read More
Study finds robust polar bear population in sea near Alaska
Nov15

Study finds robust polar bear population in sea near Alaska

The first formal count of polar bears in waters between the United States and Russia indicates they’re doing better than some of their cousins elsewhere. Polar bears are listed as a threatened species because of diminished sea ice due to climate change. But university and federal researchers estimate a robust and abundant population of nearly 3,000 animals in the Chukchi Sea off Alaska’s northwest coast, according to a...

Read More
Facebook says it’s getting better at removing hate speech
Nov15

Facebook says it’s getting better at removing hate speech

Facebook says it’s making progress on deleting hate speech, graphic violence and other violations of its rules and detecting problems before users see them. The company released its second report Thursday detailing how it enforces community standards on hate, nudity and other posts. Compared with its May report, Facebook says it has doubled the amount of hate speech it detects proactively, before users report violations. The new...

Read More
Feds subpoena Snap over shareholder lawsuit
Nov14

Feds subpoena Snap over shareholder lawsuit

Snap Inc. has received federal subpoenas related to a class-action lawsuit stemming from its 2017 initial public offering. The lawsuit, filed last May, claims that Snap misled investors about its user growth before going public. The company said in a statement Wednesday that it has been responding to subpoenas and requests for information from the Securities and Exchange Commission and the Department of Justice. The company says its...

Read More