COVID-19: Without masks, two meters distancing is not enough, research finds
To prevent the spread of COVID-19 indoors, the two meters physical distancing guideline is not enough without masks, according to researchers. However, wearing a...
Worm mothers provide milk for their young
As worm mothers age, they secrete a milk-like fluid through their vulva that is consumed by their offspring and supports their growth, according to...
Late persistence of human ancestors at the margins of the monsoon in India
New dating of an archaeological site in the Thar Desert to 177,000 years ago shows the use of stone handaxes persisted for over 1...
Exposure to deadly urban heat worldwide has tripled in recent decades, says study
A new study of more than 13,000 cities worldwide has found that the number of person-days in which inhabitants are exposed to extreme combinations...
Hidden mangrove forest in the Yucatan peninsula reveals ancient sea levels
Deep in the heart of the Yucatan Peninsula, an ancient mangrove ecosystem flourishes more than 200 kilometers (124 miles) from the nearest ocean. This...
Weddell seal count: Fewer seals than previously thought
A research team has completed a global population estimate of Weddell seals in Antarctica, showing that there are significantly fewer seals than previously thought....
Precious metals from electronic waste in seconds
Flash Joule heating recovers valuable and toxic metals from electronic waste. The process allows for "urban mining" of resources that could be a win...
Wildfire bees on the brink
The number of threatened Australian native bee species is expected to increase by nearly five times after the devastating Black Summer bushfires in 2019-20,...
Specific UV light wavelength could offer low-cost, safe way to curb COVID-19 spread
A specific wavelength of ultraviolet (UV) light is not only extremely effective at killing the virus which causes COVID-19, but is also safer for...
When the western US burns, the east also gets sick
While most of the largest U.S. wildfires occur in the Western U.S., almost three-quarters of the smoke-related deaths and visits to the emergency room...




















