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Hace 3 días · The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.
Hace 3 días · Giant beavers, driven to extinction around 11,000 years ago, were plus-sized versions of today's furry little landscape engineers and the largest rodent of the last ice age.
Hace 3 días · Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event, and colloquially as the Great Dying) forms the boundary between the Permian and Triassic geologic periods, and with them the ...
Hace 5 días · Apr. 30, 2024 — As the world faces the loss of a staggering number of species of animals and plants to endangerment and extinction, one scientist has an urgent message: Chemists and pharmacists...
Hace 5 días · Published Mayo 30, 2024. Biologist Ian Souza-Cole stands with his back to a balmy, manure-scented north wind sweeping over California’s San Joaquin Valley. It’s early May, and he is on a large dairy farm near the town of Planada, staring intently across a field of triticale, a wheat-rye hybrid favored as feed for milk cows.
Hace 12 horas · The fate of the woolly rhino tracks with what previous research suggests befell woolly mammoths and other giant animals at the end of the last ice age. “There’s been this debate for a long time of what killed the megafauna,” Fordham says, with opposing camps pushing for either a changing climate or human hunting. “It’s not one or the ...
Hace 4 días · These plate interactions further led to magma rising to the Earth's surface, large amounts of greenhouse gases entering the atmosphere, and rapid climate change. The resulting extinction decimated ...
