New method to detect impact of sea level rise

University of Adelaide scientists have developed a new simple, inexpensive and fast method to analyze sulfur isotopes, which can be used to help investigate chemical changes in environments such as oceans, and freshwater ...

Research suggests life thrived on Earth 3.5 billion years ago

Three and a half billion years ago, Earth hosted life, but was it barely surviving, or thriving? A new study carried out by a multi-institutional team with leadership including the Earth-Life Science Institute (ELSI) of Tokyo ...

Sulfur analysis supports timing of oxygen's appearance

Scientists have long thought oxygen appeared in Earth's lower atmosphere 2.7 billion years ago, making life as we know it possible. A Rice University researcher has added evidence to support that number.

Microbes set the stage for first animals

It is thought that animal life first arose during the Ediacaran Period, between 635 and 541 million years ago, but these organisms bore little resemblance to the animals we know today. That's led some scientists to believe ...

Combining techniques provides new insight into bird migration

Two complementary methods work together in a study forthcoming in The Auk: Ornithological Advances, producing more refined estimates of where individual Barn Swallows spend the winter. Using the methods separately comes with ...

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