Nature
Sky, sea, mountains and weather: the "why?" behind the nature we see every day.
26 articles
NatureWhy do rivers wind and bend as they flow?
NatureIs bamboo a tree or a grass?
NatureHow can dandelion seeds fly so far?
NatureDoes the wind at the beach change direction from day to night?
NatureHow does frost form on the ground and leaves?
NatureCan you see the Moon during the day?
NatureAre shooting stars really falling stars?
NatureWhy does the sea level rise and fall?
NatureWhy are days longer in summer than in winter?
NatureWhy does the Moon always show us the same face?
NatureWhy do leaves turn red and yellow in autumn?
NatureWhy are snowflakes shaped like hexagons?
NatureWhy does the sea look blue?
NatureWhy do auroras glow green and red?
NatureWhy does lightning flash in a zigzag?
NatureWhy does steam rise from hot springs?
NatureWhy do stars twinkle?
NatureWhy does the Moon change shape?
NatureWhy does fog look white?
NatureWhy is there dew on the grass in the morning?
NatureWhy don't clouds fall out of the sky?
NatureWhy is a rainbow shaped like an arc?
NatureWhat causes the special smell of rain?
NatureIf the sky is blue, why are sunsets red?