Evolution

Tasmanian Tigers and Wolves Evolved Uncannily Similar Skulls

Tasmanian Tigers and Wolves Evolved Uncannily Similar Skulls

The extinct thylacine had the stripes of a tiger, the body of a canid, and the pouch of a kangaroo. These ill-fated, predatory marsupials are a classic example of convergent evolution, in which species independently evolve the same traits, and a new study breaks down just how remarkably similar Tasmanian…

Sea Sponges or Algae? What Are The Earth’s Earliest Animals?

Sea Sponges or Algae? What Are The Earth’s Earliest Animals?

Sponges are the simplest of animals, and they may stand at the root of all complex animal life on Earth, including us humans. Scientists study the evolution of the earliest sponges, hundreds of millions of years ago, to learn about the conditions that led life to develop from single-celled amoeba-like…

Why Do We Have Butts?

Why Do We Have Butts?

When separates us from the animals? Is it the burden of consciousness, the terror of knowing that one day we will die, along with everyone we’ve ever loved? Or is it our big weird asses?