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Improved microscopy technique sees living cells with seven times more sensitivity

Uncovering the mysteries of how cells function requires advanced imaging techniques to look inside the cells themselves. Research from the University of Tokyo introduces a new microscopy technique that allows us to see cellular structures in much more detail than before, without the need to use any dyes or high-power lasers that may alter the cell.

Taking images inside living cells using only light relies on the very small differences in the phase of the light as it passes through different parts of the cell’s architecture. Creating more detailed pictures requires the ability to detect even the most subtle of these changes with the highest possible sensitivity.

Read on physicsworld.com
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That is a collection of micrometeorites found in Antarctica, featured in the 2020 book Atlas of Micrometeorites.

Every year, roughly 10 particles of space dust land on each square meter of Earth’s surface.
That means that they are everywhere. They are on the streets. They are in your home. You may even have some cosmic dust on your clothe.

Round and multicolored like tiny marbles, micrometeorites are as distinctive as they are ubiquitous, yet they escaped notice until the 1870s, when the HMS Challenger expedition dredged some up from the bottom of the Pacific Ocean.

Read more on Quanta
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China has achieved another milestone in space. Its first spacecraft designed to explore Mars arrived at the planet successfully on 10 February just before 8.00pm Beijing time, a day after the United Arab Emirates’ Hope spacecraft.
Direct link to NASA's Livestream of the Perseverance Rover Landing

https://youtu.be/gm0b_ijaYMQ
Holography is the photographic process of recording light that is scattered by an object, and presenting it in a three-dimensional way. Invented in the early 1950s by the Hungarian-British physicist Dennis Gabor, the discovery later earned him the Nobel Prize in Physics in 1971.