#726 Why does Australia have so many dangerous animals?
Why does Australia have so many dangerous animals? It actually doesn’t have as many dangerous animals as people think and there are other countries that have more. However, for a…
Why does Australia have so many dangerous animals? It actually doesn’t have as many dangerous animals as people think and there are other countries that have more. However, for a…
What are stalagmites and stalactites? They are deposits of minerals that form in caves. Stalactites hang down from the top of the cave and stalagmites rise up from the ground.…
When did sailing ships die out? There are still ships that use sails today and a new type of large cargo ship that uses wings has been introduced, but the…
What is CRISPR? It is a way of editing genes and it stands for Clustered Regularly Interspaced Short Palindromic Repeats. It works by separating the genes inside the DNA and…
Why does time go forward not backward? Because of entropy. Entropy is the measure of how random and dispersed the energy and mass in a system are distributed. It is…
Who was the first king? This could be a question that is impossible to answer because most of the records of early rulers have disappeared or there is no way…
How have sea levels changed over time? Over the last 542 million years they have varied from 130 m lower than their level today to a theoretical 300 m higher…
How does an octopus’s suction cup work? It reduces the pressure inside the sucker to create an extremely strong seal. Incidentally, I’m going with octopuses as the plural of octopus.…
Why do shells form in different shapes? The environment and the biology of each living organism has caused their evolution to go in a slightly different direction. Most of the…
Is there any historical evidence for Jesus? Yes. There are a few mentions of him in other documents, but they all come from after he died. If you can ignore…