Which wild animals show no fear of humans and are not dangerous?
I’m really late for this but there is a wild animal that is not dangerous and shows no fear to humans: The Shoebill stork. Here’s another picture: These…
Why can’t copper and aluminum wires be directly connected?
It’s unusual to see so many wrong answers to a simple question. If you twist aluminum and copper together very tightly, the connection will be good — for…
Do engineers really use calculus?
We were building a nuclear power station. One part of a nuclear plant is the reactor building (sometimes called “the containment”). In many “western” sites, the containment structure…
What is the most ridiculous obviously false verse in the Bible?
There are many that one could call false or ridiculous, but that assessment depends on your view of the Old and New Testaments: whether they were meant to…
Why does the Earth rotate? Why doesn’t it stop?
Planets do not have to rotate. Look at Venus. It rotates so slowly that it might as well not be rotating. It rotates backward as well. You might…
If the Yellowstone supervolcano erupts, will the U.S. still be the biggest superpower?
No. A full-blown, supervolcano eruption at Yellowstone, ie an 8 on the Volcanic Explosivity Index, would devastate the United States with the immediate ash fall. Not to worry though, the Volcanic…
What’s the most terrifying animal in the ocean?
The Bobbit Worm. This animal is straight out of a horror movie. I’m convinced they came from the meteor that wiped out the dinosaurs. The worm falls into…
Since Superman has been exposed to Kryptonite so much, shouldn’t he be immune to it by now?
See this guy? Say hello to Superman of Earth-22. This is a version of the Man of Steel who decides to come out of retirement due to the…
Was the Sagittarius A* black hole ever a star?
Stars with mass more than 150 Solar Masses are believed to be unstable. The radiation pressure from the core would be so high that it would shed the…
How can a giant panda defend itself against predators like tigers, brown bears, wolves?
It’s a bear – and quite a big one. It’s unlikely to encounter any of those animals, and most of them would have more sense than to try…