A Moment of Science

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Was Earth Once A Waterworld? Jan 28, 2021

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Many astronomers think that exoplanets circling distant stars might be waterworlds, but maybe we don't need to look that far away. In 2020 two American geologists published evidence that Earth's surface may have been entirely covered with water up until at least 3.2 billion years ago.

The Difference In Our Gestures Jan 27, 2021

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Do we learn gestures by watching others make them? Or do our patterns of gesture originate from language itself?

Is The Great Barrier Reef Dying? Jan 26, 2021

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The Great Barrier Reef is that gigantic coral reef off the coast of Queensland, Australia, and it may be dying. This reef is the largest biological structure on Earth, and covers 130,000 square miles.

Spaghettification by Black Hole Jan 25, 2021

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Here’s a joke for astronomy buffs: what’s a black hole’s favorite meal? Spaghettification! Of course, the joke only makes sense if you know what spaghettification means. This A Moment of Science explains that punchline.

Rejuvenating Human Cells Jan 22, 2021

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Science has done some amazing things, but nobody really knows if it could ever extend our life span, or eliminate aging entirely. Recently, a team of researchers from California found a way to reverse aging in several kinds of human cells.

Dolphin Best Friends Jan 21, 2021

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Male dolphins hang out with acquaintances and family, but they also spend a lot of time with their best friend. Adult male bottlenose dolphins often bond in duos or trios.

A Rainforest In Antarctica Jan 20, 2021

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92 million years ago, during the time of the dinosaurs, there was a rainforest in Antarctica. This isn't due to the movement of continents on Earth's tectonic plates. Even 92 million years ago, Antarctica was still near the South Pole.

House Cat Versus Predators Jan 19, 2021

Show notes

The hunting abilities of house cats are pretty impressive. They look so cute and cuddly, and then they turn out to be ferocious killers. A lot of people don't realize that they're a pretty big threat to local animal populations.

Brussel Sprouts Really Are Good For You Jan 18, 2021

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Over the years, Brussels sprouts and broccoli have developed a bad reputation as unappetizing health food. In spite of this, they are some of the most delicious vegetables out there, as long as they're cooked correctly.

The Many Colors Of Bell Peppers Jan 15, 2021

Show notes

The bell pepper is one of the most popular vegetables in the world (even though it’s technically a fruit). Its deeply pigmented, shiny skin advertises its other qualities: flavor and texture, of course, but also nutritional content.

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