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Why do we apply ice to bruises?

Lateral view of foot with bruise.

When we apply a cold object to a Hematoma (Bruise), it helps to constrict or shrink the blood vessels that may be damaged and bleeding. It can also simply be applied for comfort. Whenever you get a bruise you should apply ice for 20-30 minutes if possible.

Question asked by Chris

How many whales could fit into Nausicaá?

Blue Whale

Nausicaá is the largest aquarium in Europe. It contains 60,000 animals. It takes 6 weeks to completely fill up the biggest basin with water. The question being answered today is: How many blue whales could theoretically fit into Nausicaá?

This question being the inspiration for this site, I decided it should be the first question I answer.

First we need to find the approximate volume of a blue whale. After some simple math I found that a blue whale has a volume of 480m3-30m3(the tail is smaller than the rest of the body) so 450m3.

The biggest basin can fit 10,000m3 of water. By simply dividing 10,000 by 450 we get 22.22 which we round down to 22 whales. Nausicaá can fit 17,000m3 of water in total though, so in theory we could fit in 37 whales.

Question asked by Anaïs