Smithsonian Magazine on MSN3 个月
Scientists Unearth the Oldest Tadpole Fossil Ever Found, and It's a 161-Million-Year-Old ...
More surprisingly, the amphibian fossil turned out to be 161 million years old, breaking the record for the oldest known ...
来自MSN1 个月
Decoding the past: Earth’s most ancient fossils and what they tell us
While not the oldest, the Nuvvuagittuq Greenstone Belt ... The fossils within consist of a series of cell-sized, presumed prokaryotic fossils. The paleontological community widely accepts these ...