The preparation makes the poison: How muscarine in mushrooms becomes toxic
Mushrooms exist in a breathtaking variety of shapes, colors and sizes. Especially in autumn, mushroom hunters go into the forests to find the tastiest of them, prepare them in multiple ways and eat them with relish. However, it is well known that the.....»»
What"s behind the toxic levels of mercury in tropical birds? Gold mining, study shows
The tropics are home to more than 75% of all species and are projected to support 50% of the world's human population by mid-century, but little is known about mercury pollution in these life-filled regions......»»
Trailblazing new Earth satellite put to test in preparation for launch
NISAR, the trailblazing Earth-observing radar satellite being developed by the United States and Indian space agencies, passed a major milestone on Nov. 13, emerging from a 21-day test aimed at evaluating its ability to function in the extreme temper.....»»
Lead-tainted fruit pouches poison 22 toddlers; blood lead levels 8x threshold
Children who have eaten the recalled apple cinnamon pouches should get lead testing. Enlarge / The three pouches so far linked to lead contamination. (credit: FDA) At least 22 toddlers across at least 14 states have suff.....»»
Toxic gunk cleansed from South Carolina"s Congaree River 13 years after first reported. What"s next?
Thirteen years after a kayaker reported stepping into a stinging patch of muck in the Congaree River, contractors have cleaned up the toxic mess that covered a stretch of the river bottom below the Gervais Street bridge in Columbia, South Carolina......»»
Lead-tainted fruit pouches poison 22 toddlers; blood lead levels 8X threshold
Children who have eaten the recalled apple cinnamon pouches should get lead testing. Enlarge / The three pouches so far linked to lead contamination. (credit: FDA) At least 22 toddlers across at least 14 states have suff.....»»
NASA wants to learn to live off the land on the moon
In preparation for the upcoming Artemis missions to the lunar south pole, NASA recently solicited a request for information (RFI) from the lunar community to map out its future Lunar Infrastructure Foundational Technologies (LIFT-1) demonstration for.....»»
Animals skin patterns are a matter of physics—research could improve medical diagnostics and synthetic materials
Patterns on animal skin, such as zebra stripes and poison frog color patches, serve various biological functions, including temperature regulation, camouflage and warning signals. The colors making up these patterns must be distinct and well separate.....»»
One step closer to unveiling dark matter with ARRAKIHS
The ARRAKIHS consortium, for which EPFL has the science lead, has just successfully passed the mission definition review of the project, a very important first milestone towards full completion of the mission preparation. ARRAKIHS is a satellite sele.....»»
Preparation of F-passivated ZnO for quantum dot photovoltaics
For photovoltaic power generation, pn junction is the core unit. The electric field in the junction can separate and transport the electron and the hole to negative and positive electrodes, respectively. Once the pn junction is connected with a load.....»»
Scientists find hundreds of toxic chemicals in recycled plastics
When scientists examined pellets from recycled plastic collected in 13 countries they found hundreds of toxic chemicals, including pesticides and pharmaceuticals. The results are published in a study led by scientists at the University of Gothenburg......»»
Poison dart frogs: Personality determines reproductive strategies, research suggests
Unlike their relatives, individuals of the poison frog Allobates femoralis are not poisonous but are captivating due to their different behavioral profiles: They successfully reproduce with different strategies depending on whether they are bold, agg.....»»
"Like breathing poison": Delhi children hardest hit by smog
Crying in a hospital bed with a nebuliser mask on his tiny face, one-month-old Ayansh Tiwari has a thick, hacking cough. His doctors blame the acrid air that blights New Delhi every year......»»
Masks are back, construction banned and schools shut as toxic air engulfs New Delhi
A toxic blanket of grey smog hangs over New Delhi's monuments and high-rises. Schools have been ordered shut and construction banned. People are back to wearing masks......»»
Toxic toddler fruit pouches: “Extremely high” lead levels sicken 7 in 5 states
Three brands of apple cinnamon fruit pouches have now been recalled. Enlarge / The three pouches so far linked to lead contamination. (credit: FDA) At least seven children across five states have suffered acute lead pois.....»»
Fans forgo facemasks as India"s toxic smog clouds World Cup
The smog-choked Indian capital was ranked as the planet's most polluted major city on Monday, but the love of the game trumped health worries for fans at the cricket World Cup......»»
Researchers develop stable and efficient inorganic CsPbI3 solar cells
The chemical and thermal stable inorganic cesium lead triiodide (CsPbI3) perovskite has shown great potential for photovoltaic applications. DMAPbI3 (dimethylammonium [DMA]) or "HPbI3"-assisted crystallization is effective for the preparation of high.....»»
Artists may “poison” AI models before Copyright Office can issue guidance
Copyright Office to recommend protections for works used to train AI in 2024. Enlarge / An image OpenAI created using DALL-E 3. (credit: OpenAI) Artists have spent the past year fighting companies that have been training.....»»
Social media content in times of war: An expert guide on how to keep violence off your feeds
Social media platforms are a great source of information and entertainment. They also help us to maintain contact with friends and family. But social media can also—and has, often—become a toxic environment for spreading disinformation, hatred an.....»»
Schools shut as toxic smog engulfs India"s capital
Schools were shut across India's capital on Friday as a noxious gray smog engulfed the megacity and made life a misery for its 30 million inhabitants......»»
Saturday Citations: Mars limnology, phage immunology, quantum technology. Plus: The mushrooms are coming
This week, we reported on LIGO upgrades, parasitic fungi and a new analysis of Curiosity rover data. Also, did you know that viruses also attack bacteria? But at that scale, it's a lot less like catching a cold and a lot more like Harry Dean Stanton.....»»