Frost and vision: why don’t eyes freeze?
If you have ever gone outside in severe frost, you have definitely noticed: your nose, ears and fingers…
If you have ever gone outside in severe frost, you have definitely noticed: your nose, ears and fingers…
Clouds seem light and airy. They float in the sky, change shape, float somewhere in the distance, like…
Sunflower is one of those plants that immediately evoke associations with summer, sun and endless yellow fields. No…
It would seem that what could be simpler than a traffic light? It stands alone at an intersection,…
Yawning is a strange, slightly funny phenomenon that we all know from childhood. Yawning: surprising facts and scientific…
Ice is a tricky thing. It seems to be a solid surface. But if you take a careless…