Trapped in the enamel of fossilized dinosaur teeth is a fascinating glimpse into the Earth’s atmospheric past stretching back 150 million years. A recent study shows that carbon dioxide levels back then were far higher than today, thanks to the…
Trapped in the enamel of fossilized dinosaur teeth is a fascinating glimpse into the Earth’s atmospheric past stretching back 150 million years. A recent study shows that carbon dioxide levels back then were far higher than today, thanks to the…