What good are prickles anyway? A prickle is attached to a seed which is catching a ride somewhere. The sharp (ouch) pointy bit attaches it to something, usually an animal.
The importance of science: from an invasive to an endemic species
Science is about always about making new questions, cleverly doubting the status quo. This is what makes it moves forward and improves everyone’s knowledge. Most of the time it is done in small steps, rarely as major inventions or breakthroughs.
Helicopter trees
Did you know that helicopters grew on trees long before people invented them?