It’s a mistery...

I’d love to know how animals understand what people say?

I had asked it for our classmates. They said that animals don’t understand what we said, only about our  mimicry, behaviour... and they were in right, because at home I had searching on the internet and I had faund the answer to the question. They are characterized by simple form of communication: chemical signals-pheromone communication within species, light-fire-fly glimmering assign the bug, electrical signals-electric eel informed by electrical pulses, communicate with other eels, with strong shock expelled, stupefy or kill the enemy, color-sepia females attract, stupefy the enemy, attitude, mien, gesture. J

Could we taught the animals for the language? Yes. There are some animals who know speak or other people’ gesture. Here is one example, Alex, who is a Grey Parrot and she use the English language, request, reject. :D

Have you any idea why girls see more color than boys?

Gils say that it is because they are intelligent :P men are more sensitive to motion and detail of things, but women better perceived of colors. The City University of New York magazine in the Biology of Sex Differences in published research shows that these differences are due to the male hormone, particularly in testosterone.

I’ve always wondered how many stars there are in the sky?

We had discussed, that it is uncountable, because every day born and die stars. But I had found the answer!!! J Forty Million Star "registry" in the latest sky survey program in the APASS, which was initiated by the American Association of Variable Star detection (AAVSO) - read on Space.com Space news site.