Also known as ctenophores and considered one of the most ancient animal lineages, comb jellies possess the unique ability to revert to larval stages after reaching maturity. This was discovered in ...
Ancient Humans Made Tools From Animal Bones 1.5 Million Years Ago WASHINGTON (AP) — Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback