Science

There Is Nothing Normal about One Million People Dead from COVID

by

Sometime in the next few weeks, the official death toll for the two-year COVID pandemic in the U.S. will reach one million. Despite being the wealthiest nation on the planet, the U.S. has continued to have the most COVID infections and deaths per country, by far, and it has the highest per capita death rate … Read more

African heritage: 190 sites threatened by rising seas this century

by

As sea levels rise due to climate change, heritage sites all around the African coast will come under increasing risk of flood damage – including Carthage and sites linked to the Ancient Egyptian civilisation Humans 10 February 2022 By Michael Marshall Sabratha, an ancient Roman town in what is now Libya Sklifas Steven/Alamy Stock Photo … Read more

Omicron’s Surprising Anatomy Explains Why It Is Wildly Contagious

by

The Omicron coronavirus variant is likely the fastest-spreading virus in human history, according to experts. While one person with the measles virus—a standout among infectious microbes—might infect 15 others within 12 days, Omicron jumps from person to person so quickly that a single case can give rise to six cases after four days, 36 cases … Read more

NASA space telescope spots most powerful light ever seen on Jupiter, helps solve 30-year-old mystery

by

Jupiter’s southern hemisphere, as seen by NASA’s Juno spacecraft. In a new study, NASA’s NuSTAR space telescope spots the highest-energy light from Jupiter. (Image credit: Enhanced image by Kevin M. Gill (CC-BY) based on images provided courtesy of NASA/JPL-Caltech/SwRI/MSSS ) NASA has detected the most energetic light ever seen on Jupiter and, in the process, … Read more

Dinosaurs: First evidence giant animals caught potentially fatal coughs

by

The first evidence of a respiratory infection in a dinosaur suggests that a 15-year-old diplodocid suffered from coughing, sneezing and fever before dying Earth 10 February 2022 By Matthew Sparkes An artist’s impression of Dolly the dinosaur Woodruff et al. (2022) and Corbin Rainbolt The fossil record has revealed dinosaurs with broken bones, osteoarthritis and … Read more

Deep interior of Mars might have led to the loss of the planet’s atmosphere

by

Key changes deep in the core of Mars might have led to the planet losing its magnetic field early in its history, a new study suggests. Today, Mars is a planet with a thin atmosphere that is unable to support substantial running water on the surface, but scientists have found evidence of ancient lakes, streams … Read more

Sleep and Alzheimer’s disease: Cell studies suggest a way sleep loss may be linked to the condition

by

Protein plaques associated with Alzheimer’s disease may build up in the brain if sleep is disrupted because this affects cells that normally destroy them, according to a study involving mouse immune cells Health 10 February 2022 By Alex Wilkins Artist’s impression of amyloid plaques forming between neurons nobeastsofierce Science / Alamy Stock Photo The immune … Read more

Russia aims to rekindle moon program with lunar lander launch this July

by

Russia is ready to reactivate its moon exploration agenda, a former Soviet Union enterprise that ended decades ago. The last in the series of pioneering Soviet robotic lunar missions was Luna 24, which sent about 6 ounces (170 grams) of moon material back to Earth in 1976. Russia’s planned Luna 25 mission is set to … Read more

Robotic fish: Synthetic fish powered by human cardiac cells gives fresh insight into heart

by

Insights from a synthetic fish built from plastic and gelatine and powered by human cardiac cells might one day be useful for treating heart disease Technology 10 February 2022 By Alex Wilkins An artificial fish built from human heart cells could teach us how the organ functions. The human heart can pump without signals from … Read more

White dwarf star circled by 65 objects may host a planet in its habitable zone

by

Astronomers have found 65 evenly spaced rocks orbiting a white dwarf star in its habitable zone, hinting that a planet’s gravity may be holding them there Space 11 February 2022 By Leah Crane Illustration of the white dwarf star WD 1054-226 orbited by clouds of planetary debris and a major planet in the habitable zone … Read more