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Best of Last Week—Transferring quantum states, wireless energy breakthrough and a drug that helps Alzheimer's patients

New dwarf galaxies discovered in orbit around the Milky Way
The Magellanic Clouds and the stream of neutral hydrogen. The insets show the image of the largest satellite discovered (Eridanus 2) as well as the smallest one (Indus 1). The insets are 13x13 arcminutes on the sky (or 3000x3000 DECam pixels) for Eridanus 2 and 6.5x6.5 arcminutes (or 1500x1500 DECam pixels) for Indus 1. Credit: V. Belokurov, S. Koposov (IoA, Cambridge). HI image: M. Putman (Columbia)

It has once again been an interesting week for physics—a team working in China demonstrated . They showed it was possible, using entanglement, to send quantum information between two distant points without having to send anything else. Also, a team of astrophysicists has found Actual measurements used to calculate the total amount of lithium in the universe have not jibed with theory, and now a team at Université Savoie Mont Blanc is suggesting that the problem may be connected to the theory of electromagnetic cascades.

In other space news, and a team in China reported that —its radar found at least nine distinct rock layers. And . Meanwhile, another team of researchers found evidence that suggests —perhaps 50 percent larger.

In unrelated news, a team of researchers at Vanderbilt University has developed . By studying the ways brain areas communicate with one another during the time when a person is engaged in conscious thought and applying , the team believes they have found a way to show that thinking is nothing more than widespread communication between parts of the brain. Also, a team of researchers with the Japan Aerospace Exploration Agency announced that they had made —they found a way to use microwaves to deliver 1.8 kilowatts of power through the air to a receiver 55 meters away, potentially opening the door to a whole new way to tap solar energy.

And finally, exciting news for baby boomers and others of their generation, a team of researchers has found . Thus far, it appears it might be useful for use in patients who are believed to be at high risk of developing the disease.

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