Nikk Ogasa is a staff writer who focuses on the physical sciences for Science News, based in Tucson, Arizona. He has a master's degree in geology from McGill University, where he studied how ancient earthquakes helped form large gold deposits. He earned another master's degree in science communication from the University of California, Santa Cruz. His stories have been published in Science, Scientific American, Mongabay and the Mercury News, and he was the summer 2021 science writing intern at Science News.
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All Stories by Nikk Ogasa
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Planetary Science
Organic molecules in an ancient Mars meteorite formed via geology, not alien life
Analysis of an ancient Martian meteorite reveals that organic molecules within it were formed by geologic processes rather than alien life.
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Climate
Rice feeds half the world. Climate change’s droughts and floods put it at risk
Rice provides sustenance for billions who have no alternative, and climate change threatens to slash production. Growers will need to innovate to provide an important crop as climate whiplash brings drought and floods to fields worldwide.
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Chemistry
A pinch of saturated fat could make tempering chocolate a breeze
Adding a small amount of fatty molecules to cocoa butter could simplify the labor-intensive tempering process to create melt-in-your-mouth chocolate.
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Animals
Some wasps’ nests glow green under ultraviolet light
Some Asian paper wasps’ nests fluoresce so brilliantly that the glow is visible from up to 20 meters away.
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Life
An incredibly resilient coral in the Great Barrier Reef offers hope for the future
At more than 400 years old, a massive coral off the coast of Australia has endured as many as 80 cyclones and 99 bleaching events.
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Paleontology
This big-headed pterosaur may have preferred walking over flying
The most intact fossil of a tapejarid pterosaur ever found yields new insight into how the ancient reptile lived.
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Psychology
‘Ghost games’ spotlight the psychological effect fans have on referees
Soccer teams won fewer games and received more fouls when playing at home during the 2019–2020 season, when many fans were absent, than before the pandemic.
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Earth
Dinosaur-killing asteroid may have made Earth’s largest ripple marks
A tsunami created by the Chicxulub impact could have formed giant ripples found in rock under Louisiana, a new study finds.
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Animals
How intricate Venus’s-flower-baskets manipulate the flow of seawater
Simulations show that a deep-sea glass sponge’s intricate skeleton creates particle-trapping vortices and reduces the stress of rushing water.
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Plants
How Romanesco cauliflower forms its spiraling fractals
By tweaking just three genes in a common lab plant, scientists have discovered the mechanism responsible for one of nature’s most impressive fractals.
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Agriculture
A tweaked yeast can make ethanol from cornstalks and a harvest’s other leftovers
By genetically modifying baker’s yeast, scientists figured out how to get almost as much ethanol from cornstalks as kernels.
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Paleontology
Fossilized dung from a dinosaur ancestor yields a new beetle species
Whole beetles preserved in fossilized poo suggest that ancient droppings may deserve a closer look.