Новости за 23.11.2020

Bees tasked with flying through a narrow gap will turn sideways to avoid touching the edges, showing that they are aware of how big they are

US EPA seeks to reduce ethylene oxide emissions from medical sterilization plants under pesticide law

Considering how a protein moves between different conformations could improve protein design

The nematode worm Caenorhabditis elegans has been used by biologists for decades, but it has been hiding a secret the whole time: it makes milk

Back in the early 1990s, Mrs Sciencebase and I visited Botswana and Zimbabwe. It was wonderful. The people, the landscapes, the wildlife. There were so many superb species around such as Golden Weaver Birds, Oxpeckers, Superb Starlings, various storks, ibis, vultures, Fish Eagles, Eagle Owl, and Little Egrets (probably Cattle Egrets too). We were quite … Continue reading "Egrets, I’ve seen a few – including the Cattle Egret"

Astrochemists lament lost research possibilities

While awareness of nanomaterials in everyday products remains low, 87% of people want them noted, surveys in five European countries shows

Anyone can bake, but can everyone do chemistry?

A covid-19 vaccine developed by AstraZeneca and the University of Oxford may be up to 90 per cent effective when given first as a half dose and then a full dose, and it doesn't need to be kept at a very low temperature

The robotic Chang'e 5 mission will land on the moon, gather rock samples and then blast off back to Earth - the first such mission in over 40 years. It could be a rehearsal for landing humans on the moon

Nina Notman opens her lab notebook to find a recipe fit for a queen

Native American rock art appears to depict the psychoactive flower, rather than the experience of getting high

SGMA’s silicate sol-gel is a sustainable alternative for packaging such as coffee cups

Finds from the Saqqara necropolis suggest a society trying to revive the past

Winning videos of the Chemistry - A European Journal competition

Vegetarians, vegans and pescetarians are more likely to break their hips than those who eat meat, possibly due to lack of calcium and protein in their diet

Astronomers spotted a minimoon orbiting Earth in February and have confirmed it was there for nearly three years before drifting away. We should be able to find many more like it in the future

Janus balls

Counterfeiting is an arms race. Governments look for tricky printing techniques, and criminals look for ways to replicate them. A group from the Korea Advanced Institute of Science and Technology thinks their Janus balls, named after the two-faced Roman god of comings and goings, would be hard for ne’er-do-wells to pull off. They used microfluidics to create tiny magnetic spheres that are colorful on one side and black on the other. Normally, density controls the color... Читать дальше...