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Recent Audio Podcasts

Do Plants Have Ears?

Primrose plant.

If what we mean by hearing is just that a plant detects and responds to sounds, then there's evidence that plants can hear. In 2019 a team of Isreali scientists published evidence that the evening primrose plant can detect the specific sound vibration frequencies of the buzz of an insect's wings.

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Killed By The Sun

Do you ever think about the risks the Apollo astronauts took in the name of science? It's amazing. Actually, the astronauts were at risk of something many people don't know about: the Sun.

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The Moon Is Getting New Mirrors

The moon.

It's amazing how much light our moon reflects. Having a few mirrors doesn't hurt, though. They're there because of the Lunar Laser Ranging experiment.

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The Palo Verde, It's Easy Being Green

Palo verde in the desert.

Not just any old plant has what it takes to survive desert heat. Desert plants like cacti are remarkable for their unique adaptations to one fo the harshest climates on the planet. The palo verde is not exception.

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Thick Skin

Two feet on a table.

All skin is either classified as thick or thin. The palms of your hands, soles of your feet, and your lips are examples of thick skin.

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A Moment of Science Blog

Ancient Science Part 2b - The History Of Quarantine

Medieval painting of the Justinian plague.

Right now, billions of people, over half the human population on Earth, are living in areas with orders to stay at home. The scale of the current pandemic is unique, but the existence of pandemics and our use of isolation to combat them is not.

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Ancient Science Part 2 - Who Was Hippocrates?

Printed edition of the Hippocratic oath.

The phrase "do no harm" famously comes from the Hippocratic Oath, a piece of writing from ancient Greece, and is still a core aspect of medical ethics today. As its name suggests, the oath was ascribed to a doctor named Hippocrates early on, along with a sizable collection of other writings called the Hippocratic corpus.

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How Measles Wipes Out Immunity

Child receiving measles vaccine.

Although the coronavirus is the most serious public health concern at the moment, there has also been an increase in the number of measles cases this year. The best precaution against measles is the MMR vaccine, which can also protect against other infections over time.

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Ancient Science Part 1 - Astronomy And Medicine In The Ancient Middle East

Relief of Ashurbanipal killing a lion.

While our understanding of things like epilepsy, the stars, and the shape of the Earth has changed dramatically over the centuries, ancient cultures confronted the same universe as we do. Even though their ideas about that universe are often very different from ours, there are also countless insights hidden in scientific writings from over 2,000 years ago.

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The Discovery Of The Dead Sea Scrolls

Isaiah scroll from the Dead Sea.

In March of 1947, Mohammed ed-dib, a member of the Ta’amireh Bedouin tribe came to Bethlehem and showed three old scrolls to various antiquities dealers. He had found the scrolls inside a cave in the desert, stuffed inside large jars.

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