Technology

In Hawaii, coral is the basis of life. What happened to it after the Lahaina wildfire?

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Abraham “Snake” Ah Hee rides the waves when the surf is high and dives for octopuses and shells when the water is calm. The lifelong resident of Lahaina, Hawaii, spends so much time in the ocean that his wife jokes that he needs to wet his gills. But these days, Ah Hee is concerned that … Read more

Satellites burning up in our atmosphere may not be as harmless as first thought

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An illustration of satellite reentry next to a photo of polar stratospheric clouds.iStock/Getty Images Plus; Roy Rochlin/Getty Images; Insider Spacecraft that burn up in the atmosphere leave behind metal particles. Scientists are rushing to understand whether this affects the climate. One risk is that these particles could create rainbow-colored clouds that damage the ozone layer. … Read more

Beijing not open about the origins of Covid, scientists believe

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Leak theories centered around the Wuhan Institute of Virology – THOMAS PETER/REUTERS Nearly two-thirds of British scientists think China has not been open and transparent about the origins of Covid, and more than a quarter think the pandemic leaked from a Chinese laboratory. However, the majority (67 percent) believe the virus is of natural origin … Read more

Ministers have not taken into account the long-term pain of the lockdown, scientists say

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result of the survey The government has not paid enough attention to the long-term collateral damage of lockdowns, according to a majority of British scientists surveyed. A wide-ranging survey by The Telegraph and Censuswide shows that almost seven in ten (68 percent) academics believe more attention should have been paid to the impact of the … Read more

It is said that women retain DNA from every man they have slept with. Let’s check the science

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Getty Images Claim: Women absorb and retain DNA from every man they have sex with. Judgement: Rating: false In late February 2024, a claim that women “store DNA from every man” they have ever had sexual intercourse with went viral on X (formerly Twitter): Nothing in the above message contains any biological fact. The claim, … Read more

Unraveling the connection between Halley’s Comet and the birth and death of Mark Twain

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Snopes compilation/public domain Claim: American author Mark Twain was born and died on the days Halley’s Comet passed Earth. Judgement: Rating: Mixture What is true: Halley’s perihelion, the comet’s closest approach to the Sun, occurred in 1835 and 1910, the years of Twain’s birth and death. What is not true: The comet was not at … Read more

Here’s what can happen if you look at a solar eclipse the wrong way – and how to avoid it in April

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. On April 8, a stunning total solar eclipse will be visible to millions of people in Mexico, the United States and Canada. Astronomers are encouraging everyone on the trail to enjoy this rare sight for … Read more

What would it take for humans to actually survive the harsh conditions on Dune’s planet Arrakis

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Covering yourself is important for survival on the sun-drenched planet Arrakis. Niko Tavernise/Warner Bros. The desert planet Arrakis in “Dune: Part Two” has extreme temperatures and little water. To survive on such a planet, technology and adaptability are needed. Three experts explain what it might be like to live on the planet of Dune. In … Read more

What would it take for humans to actually survive the harsh conditions on Dune’s planet Arrakis

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Covering yourself is important for survival on the sun-drenched planet Arrakis. Niko Tavernise/Warner Bros. The desert planet Arrakis in “Dune: Part Two” has extreme temperatures and little water. To survive on such a planet, technology and adaptability are needed. Three experts explain what it might be like to live on the planet of Dune. In … Read more