Daily News update on – Science


July 28, 2021

NEWS

Space.com

How do ‘Tatooine’ planets survive with 2 suns?

It’s hard for an exoplanet to establish itself in a neighborhood built around not one but two stars. But astronomers have spotted plenty of such alien worlds, sometimes nicknamed “Tatooines” after the “Star Wars” planet where Luke Skywalker watches a double …

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Livescience.com

Remains of twin fetuses and wealthy mom found in Bronze Age urn

The woman and her twins were cremated and buried in an urn with lavish grave goods: a bronze neck ring, a gold hair ring and bone pins or needles, indicating that the woman was an elite individual, the researchers said.

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CNN

The Delta Aquariids meteor shower peaks near July’s end. Here’s how to watch

“What we see is a ‘shooting star.’ That bright streak is not actually the rock, but rather the glowing hot air as the hot rock zips through the atmosphere. When Earth encounters many meteors at once, we call it a meteor shower.” Sign up for CNN’s Wonder Theory …

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NPR

How An Altered Strand Of DNA Can Cause Malaria-Spreading Mosquitoes To Self-Destruct

For the first time, scientists have shown that a new kind of genetic engineering can crash populations of malaria-spreading mosquitoes. In the landmark study, published Wednesday in the journal Nature Communications, researchers placed the genetically …

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Phys.Org

A single-molecule laser nanospectroscopy technique with micro-electron volt energy resolution

When molecules are excited, they can give rise to a variety of energy conversion phenomena, such as light emission and photoelectric or photochemical conversion. To unlock new energy conversion functions in organic materials, researchers should be able …

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The New York Times

These Could Be the Oldest Animal Fossils Ever Found, or Just Squiggles

Dr. Turner suggests the meshlike structures closely resemble the fiber networks of modern keratose sponges, also known as horny sponges, found around the world today. But she concedes that what she saw under a microscope …

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Livescience.com

Horny sponges that lived nearly 1 billion years ago may be the earliest animals on Earth

Paleontologists already consider sponges to be good candidates for the earliest form of animal life. If this analysis is correct and the Canadian fossils truly represent ancient sponges, they would predate the oldest known sponge fossils by about 350 million …

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Phys.Org

First detection of light from behind a black hole

Watching X-rays flung out into the universe by the supermassive black hole at the center of a galaxy 800 million light-years away, Stanford University astrophysicist Dan Wilkins noticed an intriguing pattern. He observed a series of bright flares of …

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Phys.Org

Bushfires, not pandemic lockdowns, had biggest impact on global climate in 2020

Fasullo and his NCAR co-authors used advanced computer modeling techniques to quantify the climatic influence of the reductions in traffic and industrial activity related to COVID-19, as well as the smoke emitted by the fires.

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Phys.Org

Laws of friction tested in the collapsing crater of an erupting volcano

On April 30, 2018, on the eastern flank of Hawaii’s Kīlauea volcano, lava suddenly drained from a crater that had been spewing lava for more than three decades. Then the floor of the crater, named Pu’u’ō’ō, dropped out. Within 48 hours, the lava lake at …

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