Of what? Mammals? Animals? In terms of absolute size, or relative to their mass? Pose a more accurate question please. However, fun fact: Neanderthal's brains were both heavier and larger, proportional to their body size, than modern humans brains. Bigger isn't always better.
No human has ever set foot on another planet
No. The planet has no oxygen.
No person has ever visited Mars yet.
It does not. Mass is independent of where an object is. Weight, however, will vary in direct proportion to the planet's gravity.
No humans have visited the planet Neptune.
Australia's Brainiest was created in 2004.
Britain's Brainiest Kid ended in 2002.
The duration of Britain's Brainiest Kid is 3600.0 seconds.
Male
Yoshi
humpback whale
The brainiest Christian text ever written can be found all over the Old and New Testament
the most clever/intelligent
velocaraptor
Britain's Brainiest Kid was created on 2001-08-09.
Professor Purplex (the purple owl)
Adam was technically the first person on the planet.