It's not a flattering likeness, but rats and humans actually have a lot in common, including physiology.
There's one da Vinci of the body, a true Renaissance organ, which can perform functions of the lungs, liver, stomach and kidneys.
It can happen at a carnival or on the dance floor--that moment when you stop spinning and the world starts spinning around you.
Chloroplasts should not be able to work once they are removed from algal cells because those cells contain proteins that control their operation.
Can animals grow infinitely big in the right conditions? Learn more on this Moment of Science.
Why do snakes have forked tongues and why do they flick them? Learn more on this Moment of Science.
Learn some fun and interesting facts about the human body on this Moment of Science.
After all, for the basic body plan to change, not only do you need a random genetic mutation that results in a sixth finger, but that mutation must also provide an evolutionary advantage when it comes to reproduction.
More importantly, rats and humans often suffer from the same diseases. That’s because humans and rats have the same basic physiology, similar organs, and similar body plans.
“Stone” is actually a misleading word, since we might tend to think of a round, smooth pebble. Although some kidney stones are round and smooth, others are jagged, shaped like tiny starfish.