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African crocodiles lived in Spain six million years ago

Millions of years ago, several species of crocodiles of different genera and characteristics inhabited Europe and sometimes even coexisted. But among all these species, it was thought unlikely that crocodiles of the genus ...

Climate crisis ages fish, amphibians and reptiles

Climatic conditions are changing at an unprecedented rate, affecting mainly fish, amphibians and reptiles, ectothermic animals that are unable to generate their own internal heat. With heat waves and rising temperatures, ...

Squid pigments have antimicrobial properties

Ommochromes, the pigments that colour the skin of squids and other invertebrates, could be used in the food and health sectors for their antioxidant and antimicrobial properties. This is confirmed by analyses carried out ...

The measurements of the expansion of the universe don't add up

Physicists use two types of measurements to calculate the expansion rate of the universe, but their results do not coincide, which may make it necessary to update the cosmological model. "It's like trying to thread a cosmic ...

Jurassic dinosaurs trotted between Africa and Europe

Dinosaur footprints found in several European countries, very similar to others in Morocco, suggest that they could have been dispersed between the two continents by land masses separated by a shallow sea more than 145 million ...

Coral skeleton crystals record ocean acidification

The acidification of the oceans is recorded in the crystals of coral skeletons. This is a new tool for studying past environmental changes and combating climate change. Such is the main conclusion of a study led by the Spanish ...

The sword of a Hispano-Muslim warlord is digitized in 3-D

At age 90, Ali Atar, one of the main military chiefs of King Boabdil of Granada, fought to his death in the Battle of Lucena in 1483. It was there that his magnificent Nasrid sword was taken away from him, and researchers ...

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