Magnesium batteries offer promise for safely powering modern life – unlike traditional lithium ion batteries, they are not flammable or subject to exploding – but their ability to store energy has been limited.

Researchers reported Aug. 24 in the journal Nature Communications the discovery of a new design for the battery cathode, drastically increasing the storage capacity and upending conventional wisdom that the magnesium-chloride bond must be broken before inserting magnesium into the host.

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In a joint international study, researchers from Osaka University have partnered with research groups from the United States and Spain to uncover how mutations in a single gene called PKHD1 lead to symptoms associated with a rare kidney and liver disease, ARPKD (autosomal recessive polycystic kidney disease). The findings are expected to lead to novel treatment strategies against the disease.

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One white-faced capuchin monkey sticks its fingers deep into the eye sockets of another capuchin it’s friends with. A capuchin uses her ally’s body parts to whack their common enemy. These behaviors become entrenched in the repertoires of the inventors. But in the first case, the behavior spreads to other group members, and in the second case it does not.

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Even as robots become increasingly common, they remain incredibly difficult to make. From designing and modeling to fabricating and testing, the process is slow and costly: Even one small change can mean days or weeks of rethinking and revising important hardware.

But what if there were a way to let non-experts craft different robotic designs — in one sitting?

Researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) are getting closer to doing exactly that. In a new paper, they present a system called “Interactive Robogami” that lets you design a robot in minutes, and then 3-D print and assemble it in as little as four hours.
 

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