science_spies
@science_spies
Fri, Feb 19, 2021 3:04 AM
2
1
Earth's magnetic field flipped 42,000 years ago. The consequences were dramatic -
Earth's magnetic field flipped 42,000 years ago. The...
Nature
|
Earth's magnetic field flipped 42,000 years ago. The...
載入新的回覆
Nature |