29/01/2018

New molecular muscle responds to visible light

Picture a tiny, makeshift muscle that can curl a 20 milligram suspended weight when exposed to light. Under the right conditions, another mix packs enough power to bench-press a dime.

On unconscious bias in science

Science is never truly objective. Charles Darwin and his failed theory on the Parallel Roads of Glen Roy can provide an excellent role model, writes Jaboury Ghazoul.

Image: Hubble's standout stars bound together by gravity

This image from the NASA/ESA Hubble Space Telescope reveals a glistening and ancient globular cluster named NGC 3201—a gathering of hundreds of thousands of stars bound together by gravity. NGC 3201 was discovered in 1826 ...

A greener way to make ketones

Researchers at McGill University have discovered a new, more environmentally friendly way to make ketones, an important chemical ingredient in pharmaceuticals. While ketones are found in a wide range of useful chemicals, ...

Global toll from landslides is heaviest in developing countries

This month's tragic mudslides in Montecito, California are a reminder that natural hazards lurk on the doorsteps of many U.S. homes, even in affluent communities. Similar events occur every year around the world, often inflicting ...

Image: Mark Vande Hei's 'space selfie'

On Tuesday, Jan. 23, 2018, Mark Vande Hei snapped his own portrait, better known as a "space selfie," during the first spacewalk of the year.

A chemical cloak of invisibility could reveal RNA's secrets

Biologists used to think they knew DNA's less famous cousin, RNA, but in the last two decades it's become clear the molecule is keeping far more secrets than it has ever revealed. Recent discoveries have it taking on never-before-anticipated ...

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