Browsing Tag
pbs eons
58 posts
How Mountains Drive (and Divide) Evolution
Researchers discovered that mountainous regions like the Rockies preserve unique evolutionary patterns. In these regions, species such as…
Did Asteroids Seed Life?
Early Earth experienced violent asteroid impacts that vaporized oceans and altered the atmosphere, potentially creating conditions necessary for…
What Happened When the Amazon Flowed Backward?
The Amazon River once flowed westward, creating the Pebas System, a massive wetland teeming with diverse life. Shaped…
The Mammals That Didn’t Make It
Fossil discoveries in China, such as Castorocauda, reveal that mammaliaformes during the Jurassic were far more diverse and…
The Surprising Science Behind All “Behinds”
Early hypotheses suggested the anus evolved from a single opening that split or elongated, with some animals developing…
The Making of Mount Everest
The Himalayas, once a shallow sea bed, rose due to tectonic collisions, resulting in a dramatic shift in…
“False” Horses
In Argentina’s ancient woodlands, animals like Thoatherium, also known as “false horses,” developed unique adaptations like monodactyl limbs…
Where Did the Moon Come From?
Scientists believe the Moon formed after a Mars-sized protoplanet named Theia collided with early Earth, with debris from…
First, Drink Up
The “modern beverage era” began relatively recently in human history, as early humans primarily drank water for most…
The Elephant Trunk’s Tale
Around 20 million years ago, proboscideans, the ancestors of modern elephants, began expanding from Africa and Arabia into…