14/05/2020

A new type of chemical bond: The charge-shift bond

John Morrison Galbraith is an associate professor of chemistry at Marist College who studies chemical bonding, which is the process that holds atoms together to make molecules.

36 million have sought US unemployment aid since virus hit

Nearly 3 million laid-off workers applied for U.S. unemployment benefits last week as the viral outbreak led more companies to slash jobs even though most states have begun to let some businesses reopen under certain restrictions.

Field study reveals how ammonia isotope molecules diffuse in air

Scientists are working to find ways to monitor ammonia—an increasingly common species in the atmosphere closely linked to water eutrophication, soil acidity, and biodiversity loss. But measuring ammonia is not easy because ...

Delaying primaries helps protect incumbents as well as voters

Nineteen states, including Wyoming, Hawaii and Maryland, have postponed or canceled their primary elections. To many Americans, the idea that states might cancel or postpone their primaries as a response to the COVID-19 epidemic ...

Fighting tuberculosis with light and sound

A UK-wide research team, led by the Schools of Physics and Astronomy and Medicine at the University of St Andrews, has developed an innovative way to monitor the reaction of living bacteria to antibiotics using lasers and ...

Organic spacers improve LED performance

Light-emitting diodes (LEDs) release energy in the form of light when electrons and "holes" (electron vacancies) recombine in response to an applied voltage. Over the past few years, scientists have turned their attention ...

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