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100-million-year-old amber preserved oldest animal societies

100-million-year-old amber preserved oldest animal societies

Among vertebrates, eusociality is found in just two species of African mole rats.

First fossils of microscopic 'mud dragons' found

Researchers have discovered the fossils of microscopic kinorhynch worms - commonly known as mud dragons - in China which date back to more than 530 million years.

Brain too can get fossilised

Scientists have long maintained that brains do not fossilise -- but new research has provided the strongest evidence yet that it is possible. In fact, the brains of a set of 520-million-year-old arthropods did just that.