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Science
“#Chemists make tough plastics recyclable” Credit: Unsplash/CC0 Public Domain Thermosets, which include epoxies, polyurethanes, and rubber used for tires, are found in many products that have to be durable and heat-resistant, such as cars or electrical appliances. One drawback to these materials is that they typically cannot be easily recycled or broken down after use,…
“#Sharks almost gone from many reefs” Credit: CC0 Public Domain A massive global study of the world’s reefs has found sharks are ‘functionally extinct’ on nearly one in five of the reefs surveyed. Professor Colin Simpfendorfer from James Cook University in Australia was one of the scientists who took part in the study, published today…
“#Earliest humans stayed at the Americas ‘oldest hotel’ in Mexican cave” Credit: Devlin A. Gandy A cave in a remote part of Mexico was visited by humans around 30,000 years ago—15,000 years earlier than people were previously thought to have reached the Americas. Painstaking excavations of Chiquihuite Cave, located in a mountainous area in northern…
“#Flood data from 500 years: Rivers and climate change in Europe” Flooding in Bristol in 1607 Credit: TU Wien Overflowing rivers can cause enormous problems. Worldwide, the annual damage caused by river floods is estimated at over $100 billion—and it continues to rise. To date, it has been unclear whether Europe is currently in a…
“#’Seeing’ and ‘manipulating’ functions of living cells” Credit: CC0 Public Domain A research group composed of Professor Takayuki Shibata and his colleagues at Department of Mechanical Engineering, Toyohashi University of Technology, has given greater functionalities to atomic force microscopy (AFM). Our research team has succeeded in minimally invasive surgery to living cells using photocatalytic oxidation…
“#Researchers describe unique system for testing how well narrow wavebands of UV light kill germs” A scientist places a water sample onto a custom-made platform before a test. Each water sample contains microorganisms such as the parasite Giardia and adenoviruses, both of which can make humans sick. Credit: T. Larason/NIST While awaiting full access to…
“#Jamaica revamps energy policy for green COVID-19 recovery” Jamaica is aiming to reduce its agricultural, forestry and transport emissions by 2030, as part of its COVID-19 economic recovery and Paris Agreement climate commitments. Credit: Jason Lawrence/Flickr, Creative Commons 2.0 Jamaica has overhauled its energy policy to create a post-pandemic recovery package anchored in stronger carbon…
“#Cells communicate by doing the ‘wave’” Credit: CC0 Public Domain Cells work around the clock to deliver, maintain, and control every aspect of life. And just as with humans, communication is a key to their success. Every essential biological process requires some form of communication among cells, not only with their immediate neighbors but also…
“#’Four times more toxic’: How wildfire smoke ages over time” Samples of air in downtown Athens, Greece, along with others from around the world, are being analysed to see if signature particles from wildfires can be identified. Credit: Irini Tsiodra Enormous plumes of smoke thrown into the atmosphere by uncontrolled wildfires may be affecting the…
“#Dragonflies reveal mercury pollution levels across US national parks” Before turning into adults, dragonfly larvae can be collected easily by citizen scientists and used as “biosentinels” to study mercury pollution. Credit: Dartmouth Toxic Metals Superfund Research Program. A citizen science program that began over a decade ago has confirmed the use of dragonflies to measure…