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Posts by
Editors of EarthSky
Can killer bees swarm into water?
Killer bees won't dive in after you - but they may hover above the water, ready to attack when you come up for air.
June 15, 2008
Why do ladybugs sometimes swarm?
With few predators and plenty of aphids to eat. the Multicolored Asian Lady Beetle has undergone a population explosion. Learn why ladybugs sometimes swarm here.
May 29, 2008
Does a pelican swallow everything it catches in its pouch?
Pelicans can swallow all the fish they catch in their huge bills - but it helps if they drain out excess water first. Read more about the pelican here.
May 29, 2008
How do hummingbird chicks’ long beaks fit in the tiny eggs?
The beak can fit inside the egg - because, when the tiny chick hatches out, the beak is just a tiny bump on the chick's head. Read more about the hummingbird.
May 29, 2008
Ancient farming practice improves today’s soil
Global food supply tops the agenda of many scientists. A piece of prehistoric wisdom of ancient farming combined with modern science could be a big help.
May 17, 2008
Seawater is not good to drink. Here’s why
If you're stranded at sea it's better to hope for rain than to drink seawater. Read more about why people shouldn't drink seawater here.
May 8, 2008
How far can a human see?
There's no practical limit on how far away we can see - if we're looking at objects brighter than their backgrounds. Read more about how far can a human see.
May 6, 2008
Altitude sickness: What is it, what does it do?
People with altitude sickness feel tired and nauseated - have a headache - and may feel strangely uneasy.
May 5, 2008
How did sand in the desert get there?
Nearly all sand in deserts came from somewhere else - sometimes hundreds of kilometers away. Read more about sand in the desert here.
May 2, 2008
Is there good ozone and bad ozone?
You hear weather reports about dangerous levels of ozone, then you hear that we're in big trouble because our ozone layer is thinning.
May 2, 2008
