Ask Science

By QuickAndDirtyTips.comScience Education Astronomy

Ask Science episodes

November 03, 2020 393 - Is Melatonin Safe? Should You Stop Taking It?
Go to the supplement aisle of almost any store in the US and you'll find melatonin, a synthetic hormone, marketed as an effective natural sleep aid, even for children! But is melatonin actually safe to use? Studies say ...
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8 min
November 02, 2020 393 - Is Melatonin Safe? Should You Stop Taking It?
Go to the supplement aisle of almost any store in the US and you'll find melatonin, a synthetic hormone, marketed as an effective natural sleep aid, even for children! But is melatonin actually safe to use? Studies say ...
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8 min
October 27, 2020 392 - How We Know a Supermassive Black Hole Lurks in the Center of Our Galaxy
Not even light can escape a black hole's gravitational pull, so how do we actually know they exist? And what's the deal with the supermassive black hole at the center of the Milky Way?
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11 min
October 26, 2020 392 - How We Know a Supermassive Black Hole Lurks in the Center of Our Galaxy
Not even light can escape a black hole's gravitational pull, so how do we actually know they exist? And what's the deal with the supermassive black hole at the center of the Milky Way?
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11 min
October 20, 2020 391 - Phobias and Fears—Can You Literally Be Scared to Death?
Spiders, snakes, heights, political corruption—we're afraid of a lot of things. But what's the difference between a fear and a phobia? And can either literally scare you to death?
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7 min
October 19, 2020 391 - Phobias and Fears—Can You Literally Be Scared to Death?
Spiders, snakes, heights, political corruption—we're afraid of a lot of things. But what's the difference between a fear and a phobia? And can either literally scare you to death?
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7 min
October 12, 2020 307 - The Science of Tipping Points: How 25% Can Create a Majority
Do you have to wait for more than 50% of the group to agree with a minority opinion before it can take over? It turns out, you need far less than that.
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9 min
October 06, 2020 390 - What Happens to Saltwater Fish in Fresh Water?
Why do some fish thrive in salt water and others in fresh? And what happens if you, say, drop a saltwater shark into a fresh water swimming pool? Here's the science!
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10 min
October 04, 2020 390 - What Happens to Saltwater Fish in Fresh Water?
Why do some fish thrive in salt water and others in fresh? And what happens if you, say, drop a saltwater shark into a fresh water swimming pool? Here's the science!
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Links:
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10 min
September 29, 2020 389 - What Are the Coldest and Hottest Temperatures Possible?
We experience extreme hot and cold temperatures on Earth, but they're nothing compared to the temperature extremes we've created in labs, not to mention the Universe at large. Do these hot and cold extremes have a limit?
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7 min

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