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Cretaceous-Tertiary extinction event
The Cretaceous-Tertiary extinction event was a period of massive extinction of species, about 65.5 million years ago.
Note: The above text is excerpted from the Wikipedia article "Cretaceous-Tertiary extinction event", which has been released under the GNU Free Documentation License.
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Plants & Animals News
April 29, 2025
Apr. 28, 2025 — A study analyzing data from nationally representative dietary surveys and mortality data from eight countries (Australia, Brazil, Canada, Chile, Colombia, Mexico, United Kingdom, and United States) ...
Apr. 24, 2025 — Female bonobos team up to suppress male aggression against them -- the first evidence of animals deploying this strategy. In 85% of observed coalitions, females collectively targeted males, forcing ...
Apr. 24, 2025 — A 113-million-year-old hell ant that once lived in northeastern Brazil is now the oldest ant specimen known to science, finds a new report. The hell ant, which was preserved in limestone, is a member of Haidomyrmecinae -- an extinct subfamily that ...
Apr. 23, 2025 — Bite marks found on a skeleton discovered in a Roman cemetery in York have revealed the first archaeological evidence of gladiatorial combat between a human and a ...
Latest Headlines
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Apr. 28, 2025 — Even under today's climatic conditions, the long-extinct straight-tusked elephant could still live in Europe. This is the conclusion of a recent study. For this finding, the research group combined ...
Apr. 28, 2025 — Forget fleeting friendships the social secrets of the long-tailed tit has revealed an extraordinary level of family commitment even during migratory journeys. Birds that babysit: scientists reveal ...
Apr. 28, 2025 — Through intensive breeding, humans have pushed breeds such as pug dogs and Persian cats to evolve with very similar skulls and 'smushed' faces, so they're more similar to each other than they are to ...
Apr. 25, 2025 — The less intensively you manage the soil, the better the soil can function. Such as not plowing as often or using more grass-clover mixtures as cover crops. Surprisingly, it applies to both ...
Apr. 24, 2025 — Pioneering research has repurposed a gene editing tool to help shed light on the true biodiversity present in natural ...
Apr. 23, 2025 — Scientists have discovered a surprising new connection between gut health and blood cancer risk one that could transform how we think about aging, ...
Apr. 22, 2025 — Some species that breed over large geographic areas can still be adapted to a fairly narrow range of climates, making them more vulnerable to climate change than previously thought. Also, species ...
Apr. 25, 2025 — Strong methods do exist for measuring animal movement in the context of energy expenditure, but these are limited by the physical size of the equipment used. Now, in a paper published in the Journal ...
Apr. 25, 2025 — A landmark study reveals that a single oral dose of baloxavir marboxil (baloxavir) significantly reduces the transmission of influenza within households, marking a major advancement in influenza ...
Apr. 25, 2025 — A recent study provides evidence that some results of behavioral experiments with insects cannot be fully reproduced. So far, possible ...