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    Category: Chemistry

    Water is weird. A new type of ice could help us understand why

    Ice cubes float in water because they’re less dense than the liquid. But a newfound type of ice has a density nearly equal to what’s…

    02/02/2023
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    The last vital ingredient for life has been discovered on Enceladus

    CHICAGO — The last key ingredient for life has been discovered on Saturn’s icy moon Enceladus. Phosphorus is a vital building block of life, used…

    23/12/2022

    How to make tiny metal snowflakes

    Look closely at a snowflake, and you’ll observe a one-of-a-kind gossamer lattice, its growth influenced by ambient conditions like temperature and humidity. Turns out, this…

    10/12/2022

    Catastrophic solar storms may not explain shadows of radiation in trees

    A cryptic chemical signature of unknown origins, hidden for centuries inside the trunks of Earth’s trees, just became even more mysterious. In the last decade,…

    Zeelamo 16/11/2022

    A disinfectant made from sawdust mows down deadly microbes

    A new, sustainable disinfectant made from sawdust and water can knock out more than 99 percent of some disease-causing microbes, including anthrax and several strains…

    Zeelamo 22/02/2022

    Oxygen-rich exoplanets may be geologically active

    Humble oxygen is more than just a building block of life. The element could also help scientists sneak a peek into the innards of planets…

    Zeelamo 18/01/2022

    Wildfire smoke may ramp up toxic ozone production in cities

    Wildfire smoke and urban air pollution bring out the worst in each other. As wildfires rage, they transform their burned fuel into a complex chemical…

    Zeelamo 08/12/2021

    Here’s the chemistry behind marijuana’s skunky scent

    Scientists have finally sniffed out the molecules behind marijuana’s skunky aroma. The heady bouquet that wafts off of fresh weed is actually a cocktail of…

    Zeelamo 30/11/2021

    This eco-friendly glitter gets its color from plants, not plastic

    All that glitters is not green. Glitter and shimmery pigments are often made using toxic compounds or pollutive microplastics (SN: 4/15/19). That makes the sparkly…

    Zeelamo 18/11/2021

    Lithium-ion batteries made with recycled materials can outlast newer counterparts

    Lithium-ion batteries with recycled cathodes can outperform batteries with cathodes made from pristine materials, lasting for thousands of additional charging cycles, a study finds.  Growing…

    Zeelamo 02/11/2021

    An easier, greener way to build molecules wins the chemistry Nobel Prize

    Making molecules is hard work. Atoms must be stitched together into specific arrangements through a series of chemical reactions that are often slow, convoluted and…

    Zeelamo 06/10/2021

    Ink analysis reveals Marie Antoinette’s letters’ hidden words and who censored them

    In a world torn apart by the French Revolution, doomed Queen Marie Antoinette exchanged secret letters with a rumored lover. Someone later censored them —…

    Zeelamo 01/10/2021

    Luis Miramontes helped enable the sexual revolution. Why isn’t he better known?

    When Mexican scientist Luis Miramontes signed his lab notebook on October 15, 1951, he didn’t know he was documenting history. That day, he made a…

    Zeelamo 01/10/2021

    50 years ago, chemical pollutants were linked to odd animal behavior

    Sea life’s chemical senses Science News, September 18, 1971 For fish and other underwater life, a sensitivity to chemicals plays the same role as the…

    Zeelamo 10/09/2021

    A pinch of saturated fat could make tempering chocolate a breeze

    Glossy, velvety chocolate that snaps in the fingers and melts in the mouth is the chocolatier’s dream. But crafting cocoa confections with this optimal texture…

    Zeelamo 07/09/2021

    50 years ago, scientists developed self-destructing plastic

    This plastic will self-destruct — Science News, August 7, 1971 Public indignation over litter and garbage has caused industry to ask chemists whether self-destroying, or quickly…

    Zeelamo 19/08/2021

    Many cosmetics contain hidden, potentially dangerous ‘forever chemicals’

    A new chemical analysis has revealed an ugly truth about beauty products: Many may contain highly persistent, potentially harmful “forever chemicals” called PFAS. PFAS, short…

    Zeelamo 03/08/2021

    Gene-editing tool CRISPR wins the chemistry Nobel

    Turning a bacterial defense mechanism into one of the most powerful tools in genetics has earned Jennifer Doudna and Emmanuelle Charpentier the Nobel Prize in…

    Zeelamo 22/07/2021

    How does a crop’s environment shape a food’s smell and taste?

    About seven years ago, Kristin and Josh Mohagen were honeymooning in Napa Valley in California, when they smelled something surprising in their glasses of Cabernet…

    Zeelamo 22/07/2021

    Methanol fuel gives this tiny beetle bot the freedom to roam

    A robot beetle goes the distance on its own thanks to a methanol-fueled micromuscle. Scientists envision that swarms of robotic insects could assist search-and-rescue operations…

    Zeelamo 22/07/2021

    A new portable device can reveal a chili pepper’s heat

    Just how hot is your chili pepper? A new chili-shaped device could quickly signal whether adding the pepper to a meal might set your mouth…

    Zeelamo 22/07/2021

    Heating deltamethrin may help it kill pesticide-resistant mosquitoes

    A few minutes in the microwave made a common insecticide about 10 times more lethal to mosquitoes in lab experiments. The toxin deltamethrin is used…

    Zeelamo 22/07/2021

    50 years ago, scientists caught their first glimpse of amino acids from outer space

    Amino acids in a meteorite — Science News, December 5, 1970 [Researchers] present evidence for the presence of amino acids of possible extraterrestrial origin in…

    Zeelamo 22/07/2021

    Supercooled water has been caught morphing between two forms

    Supercooled water is two of a kind, a new study shows. Scientists have long suspected that water at subfreezing temperatures comes in two distinct varieties:…

    Zeelamo 22/07/2021

    A new iron-based catalyst converts carbon dioxide into jet fuel

    Today, airplanes pump a lot of climate-warming carbon dioxide into the atmosphere. But someday, carbon dioxide sucked from the atmosphere could be used to power…

    Zeelamo 22/07/2021

    This weird chemical bond acts like a mash-up of hydrogen and covalent bonds

    Chemistry students the world over are familiar with covalent bonds and hydrogen bonds. Now a study has revealed a strange variety of bond that acts…

    Zeelamo 22/07/2021

    Zinc-air batteries are typically single-use. A new design could change that

    Zinc-air batteries have a lot going for them. They’re lightweight, compact and made of more sustainable, less flammable materials than other batteries. But they’re usually…

    Zeelamo 22/07/2021

    Plastic drinking water pipes exposed to high heat can leak hazardous chemicals

    In August, a massive wildfire tore through the San Lorenzo Valley north of Santa Cruz, Calif., destroying almost 1,500 structures and exposing many others to…

    Zeelamo 22/07/2021

    Can room-temperature superconductors work without extreme pressure?

    For decades, scientists quested after a room-temperature superconductor. Now that they’ve finally found one, the hunt is on for an even better material. Until last…

    Zeelamo 22/07/2021

    Phosphorus for Earth’s earliest life may have been forged by lightning

    One key ingredient for life thought to be delivered to Earth by meteorites may have been homemade after all. The phosphorus that went into building…

    Zeelamo 22/07/2021

    ‘Designer molecules’ could create tailor-made quantum devices

    Quantum bits made from “designer molecules” are coming into fashion. By carefully tailoring the composition of molecules, researchers are creating chemical systems suited to a…

    Zeelamo 22/07/2021

    Chemists are reimagining recycling to keep plastics out of landfills

    It feels good to recycle. There’s a certain sense of accomplishment that comes from dutifully sorting soda bottles, plastic bags and yogurt cups from the…

    Zeelamo 22/07/2021

    A sweet father-son bond inspires tasty new molecule models

    Thirteen-year-old Noah Shaw loves planets and has perfect pitch. He wants to be a scientist like his father Bryan Shaw, a biochemist at Baylor University…

    Zeelamo 22/07/2021

    Nanoscale nutrients can protect plants from fungal diseases

    Chances are, most — if not all — of the produce in your kitchen is threatened by fungal diseases. The threat looms large for food…

    Zeelamo 22/07/2021

    Lightning may be an important source of air-cleaning chemicals

    Lightning could play an important role in flushing pollutants out of the atmosphere. Observations from a storm-chasing airplane reveal that lightning can forge lots of…

    Zeelamo 22/07/2021

    A new technique could make some plastic trash compostable at home

    A pinch of polymer-munching enzymes could make biodegradable plastic packaging and forks truly compostable. With moderate heat, enzyme-laced films of the plastic disintegrated in standard…

    Zeelamo 22/07/2021
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    A new technique could make some plastic trash compostable at home

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