Pencils do not contain any lead, and they never did! The mistake in terminology can be traced back to the ancient Romans who drew lines on papyrus using pieces of actual lead, all the while not...
Leopard geckos (Eublepharis macularius) are a popular pet in many countries. They鈥檙e fairly easy to take care of, small, rarely bite, (and when they do it鈥檚 pretty painless) and can live up to 25...
Grains of pollen actually produce the male gametes (sperm cells) of flowering plants. They become dehydrated to better allow themselves to be carried on by wind, water and animals to other plants...