Sunday, January 29, 2023

Mass extinction

Patterns of mass extinction coincided with rapid decrease in marine oxygen levels

This evidence has important implications for modern deoxygenation and biodiversity declines.

Evolution of tree roots may have driven mass extinctions

Geologists find link between ancient, global-scale extinction events and modern threats to Earth’s oceans.

Dinosaurs killing impact triggered a “mega-earthquake” that lasted weeks to months

The amount of energy released in this "mega-earthquake" is estimated at 1023 joules

Most mass extinctions occurred after mega-eruptions

The impact of repeated eruptions over millennia.

Climate cooling contributed to sulphurous end for the dinosaurs

The gases were ejected into the Earth’s atmosphere after a six-mile-wide asteroid slammed into the planet.

Low volcanic temperatures led to the fourth mass extinction

Low volcanic temperature ushered in global cooling and the thriving of dinosaurs.

Rock samples record the first day the dinosaurs wiped out

That’s the scenario scientists have hypothesized.

Dinosaurs were thriving before asteroid strike that wiped them out

Scientists believe that an asteroid impact, potentially combined with serious volcanic movement, wiped out the dinosaurs at the end of the Cretaceous period. Although,...

Global warming wiped out 95% of marine life 252 million years ago

A new study by the University of Washington has suggested that extreme global warming caused Earth's biggest ever mass extinction. The largest extinction in Earth's history...

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