Does gasoline go bad?
Gasoline (gas), also called petrol in the U.K, degrades over time which can lead to problems ranging from engines having difficulty starting or not...
Does screen auto-rotation work on mobile devices in outer space?
No, screen auto-rotation does not work on mobile devices in outer space.
Auto-rotation on mobile devices is determined by something called an accelerometer. Accelerometers are devices...
How much blood do humans have?
The average adult has about 1.2 to 1.5 gallons (4.5 to 5.7 liters) of blood circulating inside their body. To put this into perspective,...
Why do we get bags under our eyes when we are tired?
There are two main reasons we can get bags under our eyes when we are tired: dehydration and fluid accumulation.
First, when humans are tired,...
How many countries have nuclear weapons in 2021?
As of 2021, nine countries are known to have nuclear weapons. There are about 14,000 nuclear weapons in the world, a number that has...