Filter
Generelle leksikon
Filter
Hur många sorters bakterier finns i din navel? Kan man verkligen steka ett ägg på en varm trottoar? Och hur lång är en zeptosekund egentligen?Testa dina kunskaper med 500 ofattbara …
Have you ever looked to the sky and wondered what it would be like to soar through its endless expanse? There are many animals who can fly, from the largest birds to the tiniest …
As much as two hundred and fifty-three million years ago, the most incredible beasts roamed this earth. They ruled supreme on the land, under the water, and in the air for some one …