You know that light travels at a speed of 1 light-year per year, don’t you? You also know that the universe is 13.5 billion years old? Okay, if you’re so smart, how far away is the farthest object we can see in our telescopes?
When Gregor Mendel started experimenting with how organisms inherited characteristics he started with mice. What made him switch from mammals to peas?
In what way did the outbreak of World War I in the summer of 1914 save Albert Einstein’s reputation and clear the way for acceptance of his relativity theories later on?
Give me your answers in the comments, and I’ll give you mine next time!