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Big Dog marches again.


The US Marine Corps is preparing to resume testing on its four-legged robot, “Spot.”

A project of the Corps’ Warfighting Lab, the dog-sized device is slated to re-enter developmental testing in the fall.

Capt. Mike Malandra, who heads the Warfighting Lab’s science and technology branch, said that Spot’s hydraulic legs may make it more maneuverable than the small, unmanned Modular Advanced Armed Robotic System, which features treads similar to a tank rather than limbs.

The solitary mountain on the dwarf planet Ceres may be slowly disappearing, following in the footsteps of earlier peaks.

New research suggests that the outer layer of the icy world may be slowly shifting over time, allowing the peak to gradually stretch out and sink into the crust. Similar mountains may have peppered the planet in the past and flattened out over time.

“It’s sort of like if you spill some syrup or honey on a plate and you watch it spread out over time, not instantaneously like water does but a little more slowly, it eventually gets to a flatter, broader shape; it’s the same process,” Michael Sori, a planetary scientist at the University of Arizona, told Space.com. [NASA Probe Snaps Stunning New Pics of Dwarf Planet Ceres].

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Taking a cue from the Marvel Universe, researchers report that they have developed a self-healing polymeric material with an eye toward electronics and soft robotics that can repair themselves. The material is stretchable and transparent, conducts ions to generate current and could one day help your broken smartphone go back together again.

The researchers will present their work today at the 253rd National Meeting & Exposition of the American Chemical Society (ACS).

“When I was young, my idol was Wolverine from the X-Men,” Chao Wang, Ph.D., says. “He could save the world, but only because he could heal himself. A self-healing material, when carved into two parts, can go back together like nothing has happened, just like our human skin. I’ve been researching making a self-healing lithium ion battery, so when you drop your cell phone, it could fix itself and last much longer.”

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The first step in producing an artificial thymus which has potential for cancer age related immune decline.


UCLA researchers have created a new system to produce human T cells, the white blood cells that fight against disease-causing intruders in the body. The system could be utilized to engineer T cells to find and attack cancer cells, which means it could be an important step toward generating a readily available supply of T cells for treating many different types of cancer.

The preclinical study, published in the journal Nature Methods, was led by senior authors Dr. Gay Crooks, a professor of pathology and laboratory medicine and of pediatrics and co-director of the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research at UCLA, and Amelie Montel-Hagen, an associate project scientist in Crooks’ lab.

The thymus sits in the front of the heart and plays a central role in the immune system. It uses to make T cells, which help the body fight infections and have the ability to eliminate cancer cells. However, as people age or become ill, the thymus isn’t as efficient at making T cells.