Did you know? Mass of an alkaline D battery (135 g) is 50 x Mass of a table tennis ball (2.7 g) Tweet this comparison
Estimated world population of Hooded Seal (662,000 individuals)
/fact/estimated-world-population-of-hooded-seal
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.