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Have you ever seen a turtle sneezing? Now you have.

Source
The Ingenuity #MarsHelicopter​ is set to make history. It will make the first attempt at powered flight on another planet on Monday, April 19. Don’t miss your chance to watch live with helicopter team in mission control beginning at 6:15 a.m. EDT (10:15 a.m. UTC) as they receive the data and find out if they were successful.
Link: https://youtu.be/p1KolyCqICI
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The blades of an average helicopter on Earth rotate at a rate of 400-500 rotations per minute.

The blades of the Ingenuity rotate at a rate of 2,500 rotations per minute. 🚁

Source: NASA
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The Brain β€˜Rotates’ Memories to Save Them From New Sensations

Some populations of neurons simultaneously process sensations and memories. New work shows how the brain rotates those representations to prevent interference.

During every waking moment, we humans and other animals have to balance on the edge of our awareness of past and present. We must absorb new sensory information about the world around us while holding on to short-term memories of earlier observations or events. Our ability to make sense of our surroundings, to learn, to act and to think all depend on constant, nimble interactions between perception and memory. Read on Quantamagazine.
The world’s biggest flower, Rafflesia arnoldii, is a parasite that spends much of its life inside its vine hosts. New genomic work suggests that the parasites in this group of plants have lost an astonishing share of their genes.

The bizarre genome of the world’s most mysterious flowering plants shows how far parasites will go in stealing, deleting and duplicating DNA.

Read more on Quantamagazine
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The thorny thought experiment has been turned into a real experiment β€” one that physicists use to probe the physics of information.

The universe bets on disorder. Imagine, for example, dropping a thimbleful of red dye into a swimming pool. All of those dye molecules are going to slowly spread throughout the water. Physicists quantify this tendency to spread by counting the number of possible ways the dye molecules can be arranged. There’s one possible state where the molecules are crowded into the thimble. There’s another where, say, the molecules settle in a tidy clump at the pool’s bottom. But there are uncountable billions of permutations where the molecules spread out in different ways throughout the water. If the universe chooses from all the possible states at random, you can bet that it’s going to end up with one of the vast set of disordered possibilities. Read on Quantamagazine