Environmental engineers suggest that anaerobic digestion could be used to clean cattle manure, produce fuel
Chemicals—from antibiotics used to keep livestock healthy to pesticides that shield crops from insects and other pests—play an important role in modern agriculture. However, many of these substances accumulate in cow manure used as fertilizer, wh.....»»
Saturday citations: The "donut effect"; basically immortal batteries; Neanderthals and H. sapiens
This week, researchers studying data from NASA's Dawn mission reported the identification of 11 sites on Ceres that suggest an internal reservoir of organic materials. A multidisciplinary team published an analysis of the dazzle camouflage patterns d.....»»
Climate patterns from cave mineral deposits linked to Chinese dynasty collapses
China's dynastic history spans 13 periods of rule from 2070 BC until the last emperor abdicated in 1912. While factors leading to the transitions between dynasties are a complex mixture of environmental, social and economic issues, the role of climat.....»»
How pop-up warnings and chatbots can be used to disrupt online child sex abusers
The scale of online child sexual abuse is immense: estimates suggest there are more than 300 million child victims of online sexual abuse globally......»»
Observing gain-induced group delay between multiphoton pulses generated in a spontaneous down-conversion source
Spontaneous parametric down-conversion (SPDC) and spontaneous four-wave mixing are powerful nonlinear optical processes that can produce multi-photon beams of light with unique quantum properties. These processes could be leveraged to create various.....»»
Autonomous imaging robot can assess embryos" response to environmental change
Scientists have used 3D-printed components to create a robotic instrument that can autonomously monitor the earliest stages of development in any aquatic species. The LabEmbryoCam has been created over the past decade by biologists and technologists.....»»
Less is more: Why an economical iridium catalyst works so well
Iridium-based catalysts are needed to produce hydrogen using water electrolysis. Now, a team at HZB has shown that the newly developed P2X catalyst, which requires only a quarter of the iridium, is as efficient and stable over time as the best commer.....»»
Beaver survey aims to show the urban benefits of Chicago"s "ecosystem engineers"
As the boat zipped down the Chicago River on a nippy November morning, Sammie Clark stood up and pointed at a creature swimming in the water, its brown fur slick and its head bobbing just above the surface. It kept close to the edge, a sheet metal wa.....»»
M4 Mac mini was almost even smaller, but design compromises were made
The redesign of the M4 Mac mini could've been even smaller, Apple executives have admitted, but there were quite a few tradeoffs needed to produce the best version yet.The M4 Mac mini [middle] between an older Mac mini [below] and an Apple TV [above].....»»
Biodegradable polymers show promise for nutrient encapsulation and replacing microbeads in beauty products
Microplastics are an environmental hazard found nearly everywhere on Earth, released by the breakdown of tires, clothing, and plastic packaging. Another significant source of microplastics is tiny beads that are added to some cleansers, cosmetics, an.....»»
Environmental pollutant decreases by half after passing through digestive tract of marine worm in Japan, study finds
Dr. Atsuko Nishigaki and their research team from Toho University, discovered that the marine worm Marphysa sp. E, an annelid living in the tidal flat sediments of Tokyo Bay, rapidly decreased the concentration of polycyclic aromatic hydrocarbons (PA.....»»
Save a massive $235 with this bundle of 13 Mac apps
The latest Unclutter "Space/Time" bundle is offering 13 Mac apps to clean up your desktop for $74, saving you a stellar $235.Apps in the Space/Time dealBlack Friday and Cyber Monday may be over, but you can still get some out-of-this-world deals. Wit.....»»
Rapid surge in global warming mainly due to reduced planetary albedo, researchers suggest
2023 set a number of alarming new records. The global mean temperature also rose to nearly 1.5 degrees Celsius above the preindustrial level, another record......»»
The return of Steam Machines? Valve rolls out new “Powered by SteamOS” branding.
New branding guidelines suggest official third-party hardware support is imminent. Longtime Valve watchers likely remember Steam Machines, the company's aborted, pre-Steam Deck at.....»»
Screening study explores risks of chemical exposure from household products
Southwest Research Institute (SwRI) collaborated with the Environmental Protection Agency (EPA) to characterize the chemical makeup of 81 common household items. Researchers also evaluated the potential risk to users......»»
The Amazon rainforest as a cloud machine: How thunderstorms and plant transpiration produce condensation nuclei
The rainforest in the Amazon basin transpires vast amounts of gaseous isoprene. Until now, it was assumed that this molecule is not transported far up into the atmosphere, as it rapidly declines when exposed to light conditions. The CAFE-Brazil measu.....»»
World War One dazzle camouflage was not as well understood as it might have been, researchers suggest
Researchers from Aston University and Abertay University have found that World War One dazzle ships—vessels painted in a type of camouflage pattern to make it difficult for enemies to identify and destroy—weren't as effective as originally though.....»»
Supreme Court could narrow the scope of federal environmental reviews
In the 1993 movie "Jurassic Park," Dr. Ian Malcolm, a fictional math genius specializing in chaos theory, explains the "butterfly effect," which holds that tiny actions can lead to big outcomes. "A butterfly flaps its wings in Peking," Malcolm posits.....»»
Discovery of molecular switch explains how bacteria control their protein biosynthesis through cell metabolism
Protein biosynthesis—the process whereby cells produce protein molecules, which are essential for life and growth—is a highly complex and strictly regulated affair. An interdisciplinary team led by LMU biologist PD Dr. Jürgen Lassak has now disc.....»»
Two reasons to suggest the iPhone 17 may have Face ID embedded in the display
Apple has been granted another patent for technology that would allow it to have Face ID embedded in the display, enabling the company to reduce the size of the camera cutout. While Apple has been working on this for many years, there are a couple.....»»
Tim Cook denies OpenAI rumors; talks AI energy use; Apple Glasses; saving lives
A wide-ranging interview with Apple CEO Tim Cook reveals him (kind of) denying OpenAI rumors; addressing the potential conflict between the power requirements of AI and Apple’s environmental goals; the journey toward Apple Glasses; and how Apple’.....»»