A broad category referring to the study of the physical universe including nature and biology.

Elephants Are Afraid of Mice


Elephants are essentially afraid of mice, but not for the reasons you might think. Like other mammals elephants, are hardwired to be startled by things that move fast, including mice.

Bonsai Trees Are Actually Trees


A Bonsai Tree

Even though some other plant types are used for Bonsai, Bonsai trees are actually trees that have been grown and shaped to look like miniature trees. Any tree species can be used to grow a Bonsai tree.

Scorpion Venom is the Most Expensive Liquid in the World


Deathstalker

Scorpion Venom is the most expensive liquid in the world costing up to $39 million a gallon. Like other expensive liquids such as penicillin, insulin, patchouli, human blood, cobra venom, and horseshoe crab blood, scorpion venom has medicinal uses.

We See Everything Upside-Down


The lens of each eye casts an upside-down image onto the retina. Then your brain takes these two upside-down images at slightly different perspectives (one per eye) and creates a single right-side-up image.

Twinkies Never Go Bad


Twinkies don’t last forever, but they can go a long time without spoiling (up to 30 years, by one estimate). The “sell-by” shelf life of a Twinkie is 45 days. After that, they go hard and brittle.

Starfish Can Regrow Missing Limbs


Some species of starfish can regrow missing limbs, and a few species can actually regrow a whole new “disk” (the center party of their body) from a limb!

Luffa Sponges Come From the Ocean


Luffa (loofah) sponges don’t come from the ocean. A luffa sponge is the ripened fruit of a plant in the gourd / cucumber family.