Is there a way to predetermine your baby's biological sex and conceive a girl or a boy? Here's what science has to say about things like genetics, timing, diet, and even adrenaline. Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

Light is the fastest moving thing we know of, but just how fast is it? Has science attempted to break the light speed record? And does the universe have a speed limit?

Light is the fastest moving thing we know of, but just how fast is it? Has science attempted to break the light speed record, and have we been successful? Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

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 ...

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 ... Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

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?

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? Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

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?

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? Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

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.  Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

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! Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

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? Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

Astronomers recently made a huge discovery—there may be life on Venus. But what does it really mean when we say we've discovered the potential for life on the second rock from the Sun? Don't go searching for aliens just yet. Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

How many days can it take to control a large wildfire? (More than you think.) Who fights wildfires? (You may be surprised!) What tools and methods do firefighters use to control, extinguish, and prevent them? Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

People often use the terms asteroid, meteor, meteorite, and even comet interchangeably, but they're not the same things. Do you know the differences between them? Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

Hurricanes and strong tornadoes make headlines, but fewer people know about the unique and destructive weather force known as a derecho. What are derechos, and why are they so devastating? Everyday Einstein talked with Midwest meteorologist Vince Condella to find out. Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

Wild bee populations are at risk. Why are wild bee colonies in decline, why is it a big deal, and how can you help? First, step away from the pesticides. Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...

Why can't I remember where I left my car keys? Let's explore how our memory works and discuss some tips on how to improve it.  Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and...