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Science

A collection of 605 articles

Experimental device generates electricity from the coldness of the universe

An international team of scientists has demonstrated for the first time that it is possible to generate a measurable amount of electricity in a diode directly from the coldness of the universe..

Knit 1, purl 2: Assembly instructions for a robot? Researchers make soft, actuated objects using commercial knitting machines

Software developed by researchers from CMU's Morphing Matter Lab and Dev Lab in the Human-Computer Interaction Institute makes it possible for the objects to emerge from the knitting machines in their desired shapes and with tendons already embedded. They can then be stuffed and the tendons attached to motors, as

Water found in samples from asteroid Itokawa: Up to half of Earth's ocean water may have come from impacts by asteroids

The team's findings suggest that impacts early in Earth's history by similar asteroids could have delivered as much as half of our planet's ocean water.

Embryo stem cells created from skin cells

As published in Cell Stem Cell, Dr.

Harnessing sunlight to pull hydrogen from wastewater

In a paper published Feb.

Researchers crack the peanut genome: New genome map sheds light on ancestry, diversity of today's peanuts

Researchers working as part of the International Peanut Genome Initiative have previously pinpointed one of the peanut's two wild ancestors and shown that the peanut is a living legacy of some of the earliest human agricultural societies in South America. Since then the team has mapped the entire peanut genome

Arsenic-breathing life discovered in the tropical Pacific Ocean

"Thinking of arsenic as not just a bad guy, but also as beneficial, has reshaped the way that I view the element," said first author Jaclyn Saunders, who did the research for her doctoral thesis at the UW and is now a postdoctoral fellow at the Woods Hole Oceanographic Institution

5 Remarkable Examples of Animal Intelligence That Will Leave You in Awe

Animal intelligence could stretch to more than just an elephant’s excellent memory! As these examples will reveal..

Scientists print first 3D heart using patient's biological materials: Engineered heart completely matches the immunological, cellular, biochemical and anatomical properties of the patient

Until now, scientists in regenerative medicine -- a field positioned at the crossroads of biology and technology -- have been successful in printing only simple tissues without blood vessels.

Features that make lizards appealing to potential mates are resilient to stress

"Animals in the wild experience stress every day when they flee from predators, fight with others over food, or face extreme weather," said Kirsty MacLeod, a postdoctoral scholar at Penn State at the time of the research and lead author of the paper. "But they are facing increasing amounts of

Puncture performance of viper fangs measured

They report their findings in the Royal Society journal Biology Letters.

A biosynthetic dual-core cell computer

To date, biotechnologists had attempted to build such digital circuits with the help of protein gene switches in cells.

Engineers tap DNA to create 'lifelike' machines

Using what they call DASH (DNA-based Assembly and Synthesis of Hierarchical) materials, engineers constructed a DNA material with capabilities of metabolism, in addition to self-assembly and organization -- three key traits of life. "We are introducing a brand-new, lifelike material concept powered by its very own artificial metabolism. We are

Eelectrostimulation can improve working memory in people: As memories fade, can we supercharge them back to life?

Reinhart and Nguyen's research targets working memory -- the part of the mind where consciousness lives, the part that is active whenever we make decisions, reason, and recall our grocery lists.

Bacterial therapy in a dish

Recent research has found that many bacteria selectively colonize tumors in vivo, prompting scientists to engineer them as programmable vehicles, biological "robots" in other words, to deliver anticancer therapeutics. Researchers are also developing new, "smart" medicines by programming bacteria to tackle other diseases, such as gastrointestinal disease and infections. Key