One of the big, unsolved mysteries in science is exactly why humans and other animals sleep. There are plenty of hypotheses: it’s believed sleep is important in letting our organs repair themselves ...

Visual signals, such as color patterns are an important communication medium for anemonefish. Researchers from Okinawa Institute of Science and Technology have recently elucidated how the patterns on ...

A transparent zebrafish will allow scientists to study the spread of cancer and other biological phenomena. Image courtesy of Richard White Zebrafish embryos are a staple of developmental biology: the ...

After decades of eluding human detection, a deep-sea fish with a transparent skull has finally been captured on camera. This remarkable creature offers fresh insights into the unique biology of ...

Marine biologists recently solved the half-century-old mystery of a fish with tubular eyes and a transparent head. This fish's unusual eyes can rotate within a transparent shield that covers the ...