Сер
3
2017
About 508 million years ago, a skinny, flat worm swam through the deep sea, waiting for the right moment to extend its 50 sharp spines and nab its next meal, a new study finds.
З ГЕОІНФОРМАТИКИ ТА СТАЛОГО РОЗВИТКУ
About 508 million years ago, a skinny, flat worm swam through the deep sea, waiting for the right moment to extend its 50 sharp spines and nab its next meal, a new study finds.