How Saturated Fatty Acids Damage Cells

Saturated fatty acids build lipids that form 'frozen islands' (blue) in cell membrane (green). Credit: Nicoletta Barolini, Columbia University

Saturated fatty acids build lipids that form ‘frozen islands’ (blue) in cell membrane (green). Credit: Nicoletta Barolini, Columbia University

Observations of saturated and unsaturated fatty acid behavior could impact public health. Researchers have developed a new microscopy technique that allows for the direct tracking of fatty acids after they’ve been absorbed into living cells. What they found using this technique could have significant impact on both the understanding and treatment of obesity, diabetes and cardiovascular disease.

A new fad diet seems to pop up every few years. Atkins, Zone, Ketogenic, Vegetarian, Vegan, South Beach, Raw – with so many choices and scientific evidence to back each, it’s hard to know what’s healthy and what’s not...

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New Vaccine technique effectively fights Breast Cancer in mice

X-ray of female chest with cancer (Photo: Colourbox)

X-ray of female chest with cancer (Photo: Colourbox)

A new vaccine technique can fight a certain type of breast cancer in mice. HER2-positive breast cancer accounts for between 20 and 30% of all cases of breast cancer in humans. Researchers from the University of Copenhagen and the University of Bologna now show that the same type of cancer can be fought in mice with help of their new vaccine.

In cases of breast cancer, the immune system has difficulties distinguishing between cancer cells and healthy cells. Therefore, it normally does not launch a protective immune response that can prevent cancer cells from growing and spreading...

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Metamaterial with a Twist

Towers of up to 500 chiral cubic structures rotated around their axis under load. Achiral structures do not exhibit this behavior. Credit: T. Frenzel/KIT

Towers of up to 500 chiral cubic structures rotated around their axis under load. Achiral structures do not exhibit this behavior. Credit: T. Frenzel/KIT

Using 3D printers for the microrange, researchers of KIT have succeeded in creating a metamaterial from cubic building blocks that responds to compression forces by a rotation. Usually, this can only be achieved by transmission using a crankshaft, for instance. The sophisticated design of bars and ring structures and the underlying mathematics are now presented in the latest issue of Science.

“If a force is exerted from above onto a material, the latter deforms in various ways. It may be bulged, compressed, or bent,” says Martin Wegener, Professor of the Institute of Applied Physics and Director of the Institute of Nanotechnology of KIT...

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Voyager 1 fires up Thrusters after 37 years

This artist concept shows NASA's twin Voyager spacecraft, celebrating 40 years of continual operation in August and September 2017.

An artist concept depicting one of NASA’s twin Voyager spacecraft. Humanity’s farthest and longest-lived spacecraft are celebrating 40 years in August and September 2017.

A set of  thrusters aboard the Voyager 1 spacecraft successfully fired up Wednesday after 37 years without use. Voyager 1, NASAis farthest and fastest spacecraft, is the only human-made object in interstellar space, the environment between the stars. The spacecraft, which has been flying for 40 years, relies on small devices called thrusters to orient itself so it can communicate with Earth. These thrusters fire in tiny pulses, or “puffs,” lasting mere milliseconds, to subtly rotate the spacecraft so that its antenna points at our planet...

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