Ask Science

By QuickAndDirtyTips.comScience Education Astronomy

Ask Science episodes

November 20, 2017 262 - How Well Do Ancestry DNA Tests Actually Work?
Companies that offer saliva-swab DNA tests to assess your ancestry and health are rising in popularity. But do they really work?

Read the transcript at http://www.quickanddirtytips.com/education/science/do-ancestry-dna-tests-actually-work

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11 min
November 13, 2017 261 - How Do Water Purifiers Work?
How does my water filter work? What can I do to purify water in an emergency? Learn about physical filtration, chemical filtration, and more.

Read the transcript at http://www.quickanddirtytips.com/education/science/how-do-water-purifiers-work

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7 min
November 13, 2017 261 - How Do Water Purifiers Work?
How does my water filter work? What can I do to purify water in an emergency? Learn about physical filtration, chemical filtration, and more.
Read the transcript at http://www.quickanddirtytips.com/education/science/how-do-water-purifiers-work
Check out all the Quick and Dirty Tips shows:
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7 min
November 06, 2017 260 - Why Are Coral Reefs Worth Protecting?
Did you know that we are drinking the same water that the dinosaurs drank? That we rely in part on coral reefs to help produce the oxygen we breathe? Science Comics author Maris Wicks explains the water cycle, coral bleaching, and what we can do to help protect coral reefs.

Read the transcript at http://www.quickanddirtytips.com/education/science/protecting-coral-reefs

Check out all the Quick and Dirty Tips shows:

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12 min
November 05, 2017 260 - Why Are Coral Reefs Worth Protecting?
Did you know that we are drinking the same water that the dinosaurs drank? That we rely in part on coral reefs to help produce the oxygen we breathe? Science Comics author Maris Wicks explains the water cycle, coral bleaching, and what we can do to help protect coral reefs.
Read the transcript at http://www.quickanddirtytips.com/education/science/protecting-coral-reefs
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12 min
October 30, 2017 259 - How Fast Can a Marathon Be Run?
Is there a limit to how fast people can run a marathon? Will the two-hour mark ever be beat? Everyday Einstein explains what the research says.

Read the transcript at http://www.quickanddirtytips.com/education/science/how-fast-run-a-marathon

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11 min
October 30, 2017 259 - How Fast Can a Marathon Be Run?
Is there a limit to how fast people can run a marathon? Will the two-hour mark ever be beat? Everyday Einstein explains what the research says.
Read the transcript at http://www.quickanddirtytips.com/education/science/how-fast-run-a-marathon
Check out all the Quick and Dirty Tips shows:
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11 min
October 23, 2017 258 - Can You Smell Fear?
Scientists have not been able to identify a specific chemical that communicates fear. However, there have been a range of studies that suggest we can use smells to transfer information including whether or not we are afraid.

Read the transcript at http://www.quickanddirtytips.com/education/science/can-you-smell-fear

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9 min
October 23, 2017 258 - Can You Smell Fear?
Scientists have not been able to identify a specific chemical that communicates fear. However, there have been a range of studies that suggest we can use smells to transfer information including whether or not we are afraid.
Read the transcript at http://www.quickanddirtytips.com/education/science/can-you-smell-fear
Check out all the Quick and Dirty Tips shows:
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9 min
October 16, 2017 257 - 6 Reasons Why LIGO's Gravitational Wave Discovery is Important
“Wake up!” A simple shout out from one astronomer to another kicked off a fast-paced international collaboration which led to one of the most important leaps forward in our understanding of our universe in recent history.

Read the transcript at http://www.quickanddirtytips.com/education/science/what-is-ligo-neutron-star-collision

Check out all the Quick and Dirty Tips shows:

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15 min

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