EPA sets limits on some “forever chemicals” as low as they can go
If you can detect any, it's too much. Enlarge / The EPA headquarters in Washington, DC. (credit: crbellette) On Tuesday, the Environmental Protection Agency announced that it had started the process that will see drinkin.....»»
Two-dimensional nanomaterial sets expansion record
It is a common hack to stretch a balloon out to make it easier to inflate. When the balloon stretches, the width crosswise shrinks to the size of a string. Noah Stocek, a Ph.D. student collaborating with Western physicist Giovanni Fanchini, has devel.....»»
Twisted pollen tubes induce infertility in plants with multiple sets of chromosomes
Most mammals and humans have a double set of chromosomes—and as a rule, plants do, too: One set comes from the father, the other from the mother. Such organisms are called diploids. However, sometimes the number of chromosome sets doubles from one.....»»
Officials sued over farm chemicals near Latino schools
For Nelly Vaquera-Boggs, the plastic tarps that cover strawberry fields in Monterey County, California, when they are being fumigated with toxic chemicals offer little comfort—especially when those fields are close to schools......»»
Study lists world"s "forever chemical" hotspots
Dangerous concentrations of long-lingering "forever chemicals" have been found in surface and groundwater worldwide, according to a study released Tuesday that showed Australia, the United States and Europe as hotspots......»»
iOS features that get progressively more useful [Video]
The iPhone and iOS have continuously evolved over the last 17 years. When the original iPhone was released, the feature sets and tools included in PhoneOS 1 were very limited. Apple wanted users to focus on basic interactions such as using the new to.....»»
EPA"s push to eliminate ‘forever chemicals" brings scrutiny to EV components
The EPA is moving to rid waterways of cancerous PFAS chemicals, but the auto industry still relies on some of them for crucial components and materials, including those used in EVs......»»
More than two dozen Colorado water systems exceed EPA"s new limits on "forever chemicals"
Twenty-nine of the more than 2,000 water treatment facilities in Colorado do not meet strict new federal limits on the amount of dangerous "forever chemicals" in their drinking water supplies and it will cost millions to clean those toxins out of the.....»»
EPA’s PFAS rules: We’d prefer zero, but we’ll accept 4 parts per trillion
For two chemicals, any presence in water supplies is too much. Enlarge (credit: Layland Masuda) Today, the Environmental Protection Agency announced that it has finalized rules for handling water supplies that are contam.....»»
US announces tough tap water standards for "forever chemicals"
US President Joe Biden's administration on Wednesday announced the first nationwide tap water standards to protect the public from toxic "forever chemicals" linked to serious health harms ranging from cancers to developmental damage in children......»»
The limits of ice: What a 19th-century expedition trapped in sea ice for a year tells us about Antarctica"s future
In 1897, the former whaling ship RV Belgica left Antwerp in Belgium and set sail due south. It was the first voyage of what would become known as the Heroic Age of Antarctic exploration. It did not go to plan......»»
Intel is investigating game crashes on top-end Core i9 desktop CPUs
Crashes may be related to CPUs running above their specified power limits. Enlarge / Intel's high-end Core i9-13900K and 14900K are reportedly having crashing problems in some games. (credit: Andrew Cunningham) If you ow.....»»
Greek valley that became a lake stirs drought debate
Gracefully rising above a din of croaking frogs as the sun sets, a pelican flies over Lake Karla, one the largest inland expanses of water in Greece......»»
How to stress test your CPU to its limits — and why you should
Stress testing your CPU is a great way to make sure it's running as best it can and that its well cooled. Here's how to do just that......»»
Searching for "Forever Chemicals" From an Endless Landfill Fire
Alabama residents are considering blood or urine tests to see if “forever chemicals” have resulted from a nearby landfill fire that has burned since 2022......»»
New study suggests we"re likely underestimating the future impact of PFAS in the environment
Per-and poly-fluoroalkyl substances—commonly known as PFAS—are a group of over 14,000 human-made chemicals that have been popular since the 1950s for their diverse skills in resisting heat, water, grease and stains......»»
Propagating dimensions of light: Deforming versatile non-diffractive beams along the optical trajectory
The diffraction of light is a ubiquitous phenomenon in nature where waves spread out as they propagate. This spreading of light beams during propagation limits the efficient transmission of energy and information. Therefore, scientists have endeavore.....»»
Roku patent invents a way to show ads over anything you plug into your TV
System would detect paused content on external devices and show ads on top. Enlarge / A promotional image for a Roku TV. (credit: Roku) Roku TV sets come with ads. Generally, these are restricted to Roku's home and menu.....»»
Roku has patented a way to show ads over anything you plug into your TV
System would detect paused content on external devices and show ads on top. Enlarge / A promotional image for a Roku TV. (credit: Roku) Roku TV sets come with ads. Generally, these are restricted to Roku's home and menu.....»»
Tiny cracks in rocks may have concentrated chemicals needed for life
The gentle flow of warm fluids could have given pre-life chemistry a boost. Enlarge / Active geology could have helped purify key chemicals needed for life. (credit: Christof B. Mast) In some ways, the origin of life is.....»»
Textiles and food packaging biggest source of PFAS in Yangtze River
The first study of toxic "forever chemicals" along the full length of Asia's longest river, the Yangtze, has found 13 different types of PFAS, nearly half of them coming from textile treatments and food packaging......»»