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Wednesday, April 21, 2021

Health

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Global study of 48 cities finds nature sanitizes 41.7 million tons of human waste a year

The first global-scale assessment of the role ecosystems play in providing sanitation finds that nature provides at least 18% of sanitation services in 48...

Swimming upstream on sound waves

At some point, microvehicles that are small enough to navigate our blood vessels will enable physicians to take biopsies, insert stents and deliver drugs...

Atomic nuclei in the quantum swing

From atomic clocks to secure communication to quantum computers: these developments are based on the increasingly better control of the quantum behaviour of electrons...

Origin of life: Did Darwinian evolution begin before life itself?

A study done by physicists demonstrates that fundamental characteristics of polymeric molecules, such as their subunit composition, are sufficient to trigger selection processes in...

Asthmatics at no higher risk getting or dying from COVID-19, assessment of studies consisting of 587,000 people shows

A new study looking at how COVID-19 affects people with asthma provides reassurance that having the condition doesn't increase the risk of severe illness...

Release of nutrients from lake-bottom sediments worsens Lake Erie’s annual ‘dead zone’

Robotic laboratories on the bottom of Lake Erie have revealed that the muddy sediments there release nearly as much of the nutrient phosphorus into...

Quartz crystals in the stomach of fossil bird complicates the mystery of its diet

It's hard to know what prehistoric animals' lives were like -- even answering seemingly simple questions, like what they ate, can be a challenge....

COVID-19: Future targets for treatments rapidly identified with new computer simulations

Researchers have detailed a mechanism in the distinctive corona of Covid-19 that could help scientists to rapidly find new treatments for the virus, and...

Boys who play video games have lower depression risk

Boys who regularly play video games at age 11 are less likely to develop depressive symptoms three years later, finds a new study led...

Fuel for earliest life forms: Organic molecules found in 3.5 billion-year-old rocks

A research team including the geobiologist Dr. Helge Missbach from the University of Cologne has detected organic molecules and gases trapped in 3.5 billion-year-old...
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