Animal Kingdom

What Is Cassiopea Xamachana, the Upside-Down Jellyfish?

Payara Fish: Biology of the Amazon’s Vampire Fish

How Chinstrap Penguins Sleep in Four-Second Bursts

What Is a Lovebug and Why Do They Fly Stuck Together?

Sperm Whale Biology: Deep Diving, Culture, and Threats

What Is Computation? Physical Limits and New Substrates

Pharyngeal Jaws: How Second Jaws Function and Evolve

Lymphoid Leukosis in Chickens: How ALV Spreads in Flocks

What Is Contagiousness? How Disease Transmission Works

How FCCP Uncouples Mitochondria in Bioenergetic Assays