Inauguration day: Why presidents must wait 2 months to start

More than two months after he was elected to be the 46th president of the United States, Joseph Biden will be officially sworn in to office on Wednesday Jan. 20, 2021. But if votes are cast in November, why does so much time elapse between the election and the inauguration ceremony? While 10 weeks may […]

Could the novel coronavirus one day become a common cold?

One day, the pandemic will end. Scientists don’t know how that finale will play out but a new model offers a teaser: The deadly SARS-CoV-2 may not totally disappear but instead become a commonly circulating cold virus that just causes some mild sniffles. This model, published Jan. 12 in the journal Science, is based on […]

CO2 photocatalysis sees the light of day

A team of chemical engineers has created a pilot-scale photoreactor for making chemicals using just carbon dioxide and sunlight. Making fuel from carbon dioxide and sunlight at Gillette, Wyoming, USA. Figure permission courtesy of Jason Salfi, Dimensional Energy   Of all utilization technologies that employ some genre of catalysis to produce renewable chemicals and fuels […]

Seven square meters of a HK oyster reef can filter up to one Olympic swimming pool of water in a single day — ScienceDaily

New research produced jointly by The Swire Institute of Marine Science (SWIMS), Faculty of Science, The University of Hong Kong (HKU), and The Nature Conservancy (TNC), published recently in the scientific journal Restoration Ecology, shows the enormous potential of restoring lost oyster reefs, bringing significant environmental benefits. Benefits of oyster reefs Hong Kong was once […]

A-68A iceberg thinning at 2.5 cm per day

Keel depth of the A-68A iceberg relative to its initial shape. Credit: University of Leeds Latest images reveal that the A-68A iceberg has shattered into multiple pieces, with two large fragments of ice breaking off from the main berg and floating away in the open ocean. Scientists using satellite data have not only been monitoring […]

Red Sea oil tanker 4 times as big as Exxon Valdez could spill any day now

A mammoth oil tanker is decaying into the Red Sea, threatening the water supply of millions of people and the world’s most resilient coral reef. Known as the Safer, the vessel is 1,188 feet (362 meters) long and holds 1 million barrels (42 million gallons or 159 million liters) of oil in its 34 storage […]

An avocado a day keeps your gut microbes happy, study shows — ScienceDaily

Eating avocado as part of your daily diet can help improve gut health, a new study from University of Illinois shows. Avocados are a healthy food that is high in dietary fiber and monounsaturated fat. However, it was not clear how avocados impact the microbes in the gastrointestinal system or “gut.” “We know eating avocados […]