If we’ve learned anything about elections in Florida, it’s that some factors are simply beyond a candidate’s control. It might rain cats and dogs on election day, prompting voters to stay home. Inattentive voters can mistakenly choose the wrong candidate. The layout of the ballot itself can prompt some voters to miss it and skip […]
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Surprising asteroid sample reveals Bennu may have originated from an ocean world
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An early analysis of a sample collected from the asteroid Bennu suggests that the space rock had an unexpectedly water-rich past — and it may have even splintered off from an ancient ocean world. The NASA […]
China Finds Something Strange in Sample Retrieved From Moon
Lunar Graphene Chinese scientists have made an unusual discovery while analyzing the sample Chang’e-5 collected from the Moon’s surface in December 2020. They found naturally occurring “few-layer graphene” for the first time, as state-run news agency Global Times reports, which could have major implications for humankind’s plans to make use of local resources once on […]
Phosphate in NASA’s OSIRIS-REx asteroid sample suggests space rock Bennu hails from an ocean world
On September 24, 2023, NASA’s OSIRIS-REx spacecraft dropped a capsule to Earth containing pristine carbonaceous regolith collected from the near-Earth asteroid Bennu. These samples were obtained after the probe took an impressive, seven-year roundtrip journey through the solar system and back. Since these space rock pieces arrived (approximately 120 grams of sample, to be precise) […]
Air sealed in Perseverance’s Mars sample return tubes is as precious as the rocks themselves
Scientists are interested in more than just the rocks NASA’s Perseverance rover has cached throughout its trek across Mars. They want the air, too. Since landing on Mars in 2021, Perseverance has collected 24 samples of Martian rock and dust, also known as regolith. These rock cores are believed to hold insight about the planet’s […]
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Which foods to eat and what a sample menu looks like
You’ve likely heard about the Mediterranean diet — a favorite of both doctors and nutritionists, thanks to its numerous health benefits. But you might not know exactly where to begin if you wanted to try it. The good news is that it’s easier than you might think. Vanessa Perrone, dietitian and author of Everyday Mediterranean, […]
Scientists Found Microplastics in Every Human Semen Sample They Examined
A team of researchers has found microplastics in all 40 semen samples they examined from healthy men, highlighting the urgent need to study how these tiny particles could affect human reproduction. In a paper published in the journal Science of the Total Environment, researchers from a number of Chinese institutions identified eight different polymers in the samples, […]
NASA’s asteroid sample mission gave scientists around the world the rare opportunity to study an artificial meteor
Earth is constantly bombarded by fragments of rock and ice, also known as meteoroids, from outer space. Most of the meteoroids are as tiny as grains of sand and small pebbles, and they completely burn up high in the atmosphere. You can see meteoroids larger than about a golf ball when they light up as […]
NASA wants new ideas for its troubled Mars Sample Return mission
NASA’s Mars Sample Return program has hit several snags in recent months after being told its current $11 billion plan is too expensive. The existing Mars Sample Return (MSR) mission plan would require multiple launches to Mars in order to eventually place a Mars Ascent Vehicle (MAV) on the Red Planet’s surface. From there, either […]