Science Trivia and Answers

Medium

How many hearts does an octopus have?

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Answer: 3
Octopuses have three hearts; two branchial hearts that pump blood through each of the gills. The third heart is a systemic heart that pumps blood through the whole body.

Medium

What is the fastest land snake in the world?

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Answer: Black Mamba
The Black Mamba can reach up to 12 miles per hour. Don't be too afraid though, the Black Mamba uses its speed to escape danger, not catch prey.

Easy

What is Natalie Portman's Erdős number?

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Answer: 5
Portman collaborated (using her birth name, Natalie Hershlag) with Abigail A. Baird, who has a collaboration path (Gazzaniga, Michael S. -> Victor, Jonathan D.) leading to Joseph Gillis, who has an Erdős number of 1.

Easy

Is 8128 a perfect number?

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Answer: Yes, it is!
Adding up the divisors of 8128: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 127 + 254 + 508 + 1016 + 2032 + 4064 = 8128

Medium

How many time zones are there in the world?

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Answer: 24
There are 24 time zones, maybe more. Some time zones are only 30-45 minutes apart.



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