Kilogram Redefined. The Metric System Overhaul Is Complete

Kilogram Redefined. The Metric System Overhaul Is Complete

Platinum iridium is an extremely hard material and difficult to scratch, but “it makes you paranoid,” he says.Abbott also has to monitor the weights, to check that their masses stay the same over time.

Juul Can Breathe After Dodging Full FDA Ban on Flavored E-Cigs

Juul Can Breathe After Dodging Full FDA Ban on Flavored E-Cigs

“I think Juul is breathing a big sigh of relief,” says Marc Scheineson, a former FDA associate commissioner and partner at the law firm Alston & Bird.Gottlieb said the agency still must finalize its policies, which did not specify how convenience stores or other retail outlets could develop a section that makes products “not visible or accessible to persons under the age of 18.” Vape shops that limit entrance to buyers 18 and older won’t be affected, he added.The FDA’s approach is a creative way to address e-cigarettes while avoiding some legal pitfalls, according to Azim Chowdhury, a partner with Keller and Heckman who leads the firm’s tobacco and e-vapor practice.

Volunteers needed to unlock historic weather secrets

Volunteers needed to unlock historic weather secrets

Now those records – plus millions of daily observations made by early explorers, people on whaling ships, cargo ships and lighthouses around New Zealand and the Southern Ocean before the 1950s – are needed by scientists trying to find out more about climate change.

Juul Pledges Big Changes, but the Impact May Be Small

Juul Pledges Big Changes, but the Impact May Be Small

Juul Pledges Big Changes, but the Impact May Be SmallGiorgos Zachos/Getty ImagesOn Tuesday, e-cigarette maker Juul announced an aggressive-sounding plan to prevent kids from using its nicotine products, including stopping the sale of most flavored pods in more than 90,000 US retail stores and shutting some of its social media accounts.

Luxuriate in This Mechanic's Teardown of a 1974 Harley Davidson

Luxuriate in This Mechanic's Teardown of a 1974 Harley Davidson

Luxuriate in This Mechanic's Teardown of a 1974 Harley DavidsonIf you want to get to know something, tear it down.

Apple Will Keep Throttling iPhones. Here's How to Stop It

Apple Will Keep Throttling iPhones. Here's How to Stop It

Especially given that Apple has also said that "performance management may be less noticeable" in the newer models, thanks to various hardware and software tweaks.But if you find your aging iPhone 8 too slow to use, it’s easy enough to find out if the battery is the culprit.

California to launch its 'own damn satellite' to track greenhouse gases

California to launch its 'own damn satellite' to track greenhouse gases

California is set to launch a satellite to track greenhouse gases, as former US Secretary of State John Kerry and island nation leaders warned that the world is far off course to avoid the worst effects of rising temperatures.

How The Weather Channel Made That Insane Storm Surge Animation

How The Weather Channel Made That Insane Storm Surge Animation

“The operator has a tool that lets him choose the right scenario.”For this specific clip, it took only 90 minutes from the time NHC data came in to broadcast the final product.'The entire goal is to try to paint and recreate a reality that’s in the future.'Michael Potts, The Weather ChannelThat short window of time belies how much tech underpins the rest of the operation, though.

Climate change will increase deaths by suicide

Climate change will increase deaths by suicide

The effects of hotter temperatures on suicides are symptomatic of a much broader and more expansive problem: the impact of climate change on mental health. Installing more air conditioning units, for instance, may not significantly reduce suicide rates or mitigate the effects of extreme heat on health and well-being.

Walmart tried to make sustainability affordable. Here’s what happened

Walmart tried to make sustainability affordable. Here’s what happened

Simply cut down on waste, become more efficient, convince its legions of suppliers to make more sustainable products and sell them at its “low, low prices.” Sustainability goes up, costs go down, everybody wins.

A world on fire – Climate Change: Vital Signs of the Planet

A world on fire – Climate Change: Vital Signs of the Planet

The red points overlaid on the image designate those areas that by using thermal bands detect actively burning fires. NASA's Earth Observing System Data and Information System (EOSDIS) Worldview application provides the capability to interactively browse over 700 global, full-resolution satellite imagery layers and then download the underlying data.

The Ecologist on a Mission to Count New York's Whales

The Ecologist on a Mission to Count New York's Whales

The boat rides allow Kopelman to collect data for the Coastal Research and Education Society of Long Island—an organization he co-founded in 1996—while also educating passengers about the incredible cetaceans and pinnipeds swimming (and singing) just miles from shore.“People are surprised to learn there are marine mammals in New York,” Kopelman says, “perhaps because it’s an area that also has some of the densest human populations in the world.”The New York Bight—a coastal region stretching from the northern tip of Long Island to southern New Jersey—is a frolicking ground for 19 species of whales, dolphins and porpoises, as well as four species of seal.