Science

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Cloudy Days on Exoplanets May Hide Atmospheric Water

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Hot Jupiters, exoplanets around the same size as Jupiter that orbit very closely to their stars, often have cloud or haze layers in their atmospheres. This may prevent space telescopes from detecting atmospheric water that lies beneath the clouds, according to a study in the Astrophysical Journal.

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Our future in space starts on Earth

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Quantum satellite device tests technology for global quantum network: Singapore-built satellite makes and measures light particles pair by pair

You can't sign up for the quantum internet just yet, but researchers have reported a major experimental milestone towards building a global quantum network - and it's happening in space.

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Researchers at the National University of Singapore and University of Strathclyde, UK, have launched a satellite that is testing technology for a global quantum network. This image combines a photograph of the quantum device with an artist's illustration of nanosatellites establishing a space-based quantum network.

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Simple attraction: Researchers control protein release from nanoparticles without encapsulation: U of T Engineering discovery stands to improve reliability and fabrication process for treatments to conditions such as spinal cord damage and stroke

A U of T Engineering team has designed a simpler way to keep therapeutic proteins where they are needed for long periods of time. The discovery is a potential game-changer for the treatment of chronic illnesses or injuries that often require multiple injections or daily pills.

For decades, biomedical engineers have been painstakingly encapsulating proteins in nanoparticles to control their release. Now, a research team led by University Professor Molly Shoichet has shown that proteins can be released over several weeks, even months, without ever being encapsulated. In this case the team looked specifically at therapeutic proteins relevant to tissue regeneration after stroke and spinal cord injury.

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NASA's Juno Spacecraft Crosses Jupiter/Sun Gravitational Boundary

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This artist's rendering shows NASA's Juno spacecraft making one of its close passes over Jupiter.

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Scientists illuminate a hidden regulator in gene transcription: New super-resolution technique visualizes important role of short-lived enzyme clusters

Gene transcription is the process by which DNA is copied and synthesized as messenger RNA (mRNA) — which delivers its genetic blueprints to the cell’s protein-making machinery.

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By merging two super-resolved images of a single gene (magneta) and Pol II enzymes (green), scientists could see clusters of enzymes, as well as mRNA (white), forming on the same active gene, in live cells.

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Rosetta’s comet contains ingredients for life

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Rosetta’s comet contains ingredients for life

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NASA Telescopes Find Clues for How Giant Black Holes Formed So Quickly

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More light on cancer: Scientists created nanoparticles to highlight cancer cells

The group of Russian and French researchers, with the participation of scientists from the Lomonosov Moscow State University, has succeeded to synthesize nanoparticles of ultrapure silicon, which exhibited the property of efficient photoluminescence, i.e., secondary light emission after photoexcitation. These particles were able to easily penetrate into cancer cells and it allowed to use them as luminescent markers in the early diagnosis of cancer and in treatments of this disease. The article was published in the journal Scientific Reports.

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These are confocal fluorescence microscopy images of CF2Th cancer cells incubated with LA-Si NPs.

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Hubble Takes Mars Portrait Near Close Approach

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