Deep beneath the ocean's surface, surprisingly cute pink octopuses creep along the seafloor. Some of them have super warty skin, and some are smooth. Scientists weren't sure if these octopuses were even members of the same species, and they didn't know how to explain the differences in the animals' looks. But a new study shows that the deeper in the ocean the octopuses live, the bumpier their skin and the smaller their bodies.
Read moreAnother casualty of climate change will likely be shoreline recreational fishing, according to new research. The study finds some regions of the U.S. may benefit from increasing temperatures, but those benefits will be more than offset by declines in fishing elsewhere.
Read moreA research team has now measured concentrations of the hormone corticosterone and its metabolic products in white-tailed sea eagles in northern Germany and correlated these values with potential causes of stress. They found that the levels of corticosterone in the birds' urine are higher the closer a breeding pair's nest is to paths or roads.
Read moreFish use colorful patterns to signal to each other, including advertising for mates and warding off rivals. Studying the relationship between color and behavior sometimes entails anesthetizing and photographing the fish, but anesthetics may alter coloration, influencing the traits researchers are trying to study.
Read moreA team of researchers captured the 3D motion of an athlete performing undulatory swimming. They find that the vortex wakes created led to jet flows that contribute to the propulsion. This research has implication for energy efficient eel-like sailing.
Read moreA new study revealed a more complex view than current standard predictions of coral bleaching events caused primarily by heat stress; rather, the scientists found that bleaching is driven by a variety of stressors, and each region responds differently.
Read moreSeagrass meadows put down deep roots, persisting in the same spot for hundreds and possibly thousands of years, a new study shows. Researchers used modern and fossil shells from seagrass-dwelling animals to estimate the age of these meadows, showing that, far from being transient patches of underwater weeds, they are remarkably stable over time.
Read moreA non-invasive approach could help marine biologists monitor coral health in the face of climate change.
Read moreCorals exude chemical defenses against bacteria, but when heated in the lab, those defenses lost much potency against a pathogen common in coral bleaching. There's hope: A key coral's defense was heartier when that coral was taken from an area where fishing was banned and plenty of fish were left to eat away seaweed that was overgrowing corals elsewhere.
Read moreScientists, inspired by the clingfish's suction power, set out to develop an artificial suction cup that borrows from nature's design. Their prototype actually performed better than the clingfish.
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