Why can't kindred spirits eat each other? On chromosome 20, scientists find mysterious gene fragment

What does human flesh taste like? Why do we inherently feel fear and heartfelt disgust for eating human flesh? 21 centuries later, scientists genetically determined human chromosomes, if this determination is completed, we may be able to know how they designed our lives, if there really is a creator, however, just when determining chromosome 20, scientists found a strange gene fragment.

4-Dimensional space proven to be real? What would become of humans if they entered 4 dimensions?

As we all know, we live in a three-dimensional space with length, width and height, but did you know that? According to the speculation of foreign scientists, in 4-dimensional space, time will become incomparably clear, and even become the existence of entities, and in 4-dimensional space, people can arbitrarily change the axis of time, back to the past or through the future, will no longer become an unattainable dream.

If humans had tails too, how should they use them?

From mermaids to ancient Babylonian scorpion people, there are legends or stories about "humans with tails" around the world, and these stories of "humans with tails" are usually some kind of superpower or intelligence. So, if ordinary humans really have a tail will be like?