Researchers find climate change record in clam shells

The tiny, pale surf clam about the size of a fingernail that most people have seen and collected on beaches around the world holds clues in its shell to Earth's past. For the first time, researchers have been able to identify ...

Wildfires torched up to a fifth of all giant sequoia trees

Lightning-sparked wildfires killed thousands of giant sequoias this year, leading to a staggering two-year death toll that accounts for up to nearly a fifth of Earth's largest trees, officials said Friday.

Ancient Maya built sophisticated water filters

Ancient Maya in the once-bustling city of Tikal built sophisticated water filters using natural materials they imported from miles away, according to the University of Cincinnati.

Ceramic cooking pots record history of ancient food practices

Analyzing three components of ceramic cooking pots—charred remains, inner surface residues and lipids absorbed within the ceramic walls—may help archaeologists uncover detailed timelines of culinary cooking practices ...

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