Hawaii wildfires force evacuations, water rescues

Wildfires whipped by hurricane winds triggered evacuations in parts of Hawaii early Wednesday with some residents forced into the ocean to escape the smoke and flames, officials said.

How isotopes reveal insights into ecosystems

Isotopes of elements are like siblings. They have the same number of protons and electrons but a different number of neutrons than the primary form of the element. This difference in neutrons doesn't affect their chemical ...

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