07/08/2023

Do technological civilizations depend on atmospheric oxygen?

Nearly 2 million years ago a species of upright apes known as Homo erectus began to use fire. It was a gradual process, from opportunistic users of natural fires to masters able to craft flames from flint and tender. We are ...

Huge blue whale washes ashore in southern Chile

An enormous blue whale, considered the largest animal on Earth, has washed up onto a beach in southern Chile, probably after dying at sea, local authorities said Sunday.

Water-stressed Iraq dries up fish farms

Iraqi villager Omar Ziad gazes at the cracked and barren earth where his fish farm once stood, lost to water conservation efforts during a devastating four-year drought.

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