askscience

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Do other animals also birth twins? Any examples of them?	1
If you have a comforter and a sheet... What is more efficient for heat retention... Sheet and then blanket or blanket then sheet? Why?	1
How come more mammals don't lay eggs? What about laying eggs makes it rare for mammals, but so common in other types of animals?	1
I was watching unedited footage from Tom Scott sending garlic bread on a weather balloon and noticed on the way up the temperature would be as low as -35 C... but at the highest point it was about 2 C. Why didn't it keep getting colder the closer to space?	1
I noticed that a roach on its back starts off with legs extended and moving them around... but as days pass it starts curling the legs inward more and more in the typical "dead bug" pose. But even when in this pose if you flip it over it will run again. What is making the legs contract over days?	1
What is that distinctive smell when you get something plastic, like a comb or a balloon, all staticky?	1
What happens if you try to breath in while in a complete vacuum like space? What happens when there are no molecules to breath in? What is the experience like (Do you choke as you try?)	1
Have thunder/lightning storms been recreated artificially under lab conditions? If not, what makes it difficult to reproduce the same conditions that cause lightning/thunderstorms?	1
What are some of the most fundamentally important "numbers" discovered? For example, I am sure Pi has been a pretty fundamentally important discovery for many reasons. What else?	1
If Bill Gates turned his net worth of $82.3 billion into liquid cash and decided to burn it all at once... what would happen to the economy?	1

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