The fight to stop animals dying in fishing nets
Thousands of sea mammals and birds are killed as a result of fishing nets every year.
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Microbial alliances, not mitochondria alone, may have built first eukaryotic cells
All cells in animals, plants, fungi, and protists share a fundamental characteristic: they are eukaryotic cells—complex cells with specialized internal compartments. The cells that make up our bodies are no exception.
Earth's first animals barely evolved until sex changed everything
Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities that changed very little over time. When environmental pressures pushed them toward sexual reproduction, biodiversity exploded and evolution accelerated dramatically.
Confirmation that bryozoan animals were present during the Cambrian explosion
Nature, Published online: 10 June 2026; doi:10. 1038/d41586-026-01753-9 Bryozoans are marine invertebrates that live in colonies and have long been considered absent from the Cambrian explosion — a rapid evolutionary event that began around 538 million years ago. Newly discovered fossils from th...
What studying animals teaches us about toxic work environments
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How animals use leveling behaviors to put alphas in their place
Inequality is not unique to human groups and societies. Individuals with relatively little power possess a variety of behavioral strategies to counterbalance or regulate power differences. In humans, these strategies include criticism, ridicule, disobedience, or even the expulsion or execution ...