Could we eat aliens?
How can chemicals create fire?
SPOILER: There may be "whale vomit" in your perfume.
It's all about the ions...
Is the frozen water on the Moon, Mars or anywhere else in space drinkable?
Water contains hydrogen and oxygen, both of which are important in combustion, so why is it used to put out fires?
Could the testing of nuclear bombs lead to earthquakes?
This time, Kevin asked why line drying makes clothes rougher and stiffer than tumble drying...