PER

Browse ScienceInfo articles and explainers related to PER.

Topic archive

Articles about PER

10,159 published items.

Who was the first to discover sperm?
Science story

Who was the first to discover sperm?

Only by making homemade utensils from a magnifying glass, Anton van Leeuwenhoek discovered bacteria and became the first person to observe the nucleus that helps maintai…

May 13, 2020