Será que a evolução dos excrementos é a razão da nossa existência?
- Post-doctoral researcher in Palaeobiology, Flinders University
Is the evolution of excrement the reason we exist?
The fossil is a reminder of how incomplete our understanding of Earth’s history remains.
Researchers have found a new way by which the brains of ancient animals can be preserved.
Between 250 and 200 million years ago, a whole host of bizarre horseshoe crabs had evolved in two distinct groups. Only one of these groups survives.
Looking a bit like enlarged woodlice, ancient trilobites crawled along the seabed and had an exoskeleton made of calcite — nature’s version of a suit of armour.
A chemical refined from the blue, copper-based blood of horseshoe crabs helps identify contaminants in medical equipment inserted into humans.
During the Paleozoic Era, giant sea scorpions would have been the equivalent of a great white shark in their food web.
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