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Karina

Karina
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Historic carbon dioxide decline could hold clues for future climate

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A new study led by researchers at The Australian National University (ANU) provides a clearer snapshot of conditions during the last ice age—when global...

Tandem catalytic system efficiently converts carbon dioxide to methanol

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Converting carbon dioxide to methanol, a potentially renewable alternative fuel, offers an opportunity to simultaneously form an alternative fuel and cut down on carbon...

New technique to capture carbon dioxide could greatly reduce power plant...

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A big advance in carbon capture technology could provide an efficient and inexpensive way for natural gas power plants to remove carbon dioxide from...

A new MXene material shows extraordinary electromagnetic interference shielding ability

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As we welcome wireless technology into more areas of life, the additional electronic bustle is making for an electromagnetically noisy neighborhood. In hopes of...

Gamma-ray telescopes measure diameters of distant stars

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By reviving a technique capable of combining specialized gamma-ray telescopes to one giant virtual instrument, scientists have measured the diameters of individual stars hundreds...

Sharks almost gone from many reefs

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A massive global study of the world's reefs has found sharks are 'functionally extinct' on nearly one in five of the reefs surveyed. Professor Colin...

First image of a multi-planet system around a sun-like star

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The European Southern Observatory's Very Large Telescope (ESO's VLT) has taken the first ever image of a young, sun-like star accompanied by two giant...

Earliest humans stayed at the Americas ‘oldest hotel’ in Mexican cave

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A cave in a remote part of Mexico was visited by humans around 30,000 years ago—15,000 years earlier than people were previously thought to...

New material can generate hydrogen from salt and polluted water

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Scientists of Tomsk Polytechnic University jointly with teams from the University of Chemistry and Technology, Prague and Jan Evangelista Purkyne University in Ústí nad...

Physicists find ways to control gamma radiation

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of Sciences) found ways to direct high frequency gamma radiation by means of acoustics. Their paper describes an optical 'switch'—a device able to let through...

New cosmic magnetic field structures discovered in galaxy NGC 4217

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Spiral galaxies such as our Milky Way can have sprawling magnetic fields. There are various theories about their formation, but so far the process...