TLR genes are restricted to eumetazoans and probably originated at the dawn of animal evolution more than 700 million years ago. With rare exceptions, both TLR and nuclear factor-kappaB (NF-κB ...

Birds and dinosaurs lived together for millions of years, but only toothless birds survived the asteroid impact that upended ...

Since its founding, The Atlantic has examined how thinking on animal welfare and rights has developed. A 1976 article by ...

Using diving gear and modified underwater cameras, experts from the Cluster of Excellence Collective Behavior at the ...

Sep. 23, 2024 — Researchers working in Finland propose that the unique light environment of the Earth's Polar regions creates conditions that result in circumpolar hybrid zones around the North ...

Scientists say new studies of fossilized jaw bones show that mammals began to evolve millions of years earlier than was ...

We have specialized jaws, whose hinges came together early in our evolution to create the ear bones that let us hear better than other animals. We have complex teeth that let us grind and chew our ...

Sea robins are weird animals who use leg-like appendages to walk on the seafloor. Now, scientists know why they evolved those ...

Sea robins are ocean fish particularly suited to their bottom-dwelling lifestyle. Six leg-like appendages make them so adept ...

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In two new studies, researchers reveal that the sea robin, a fish with legs, uses them to detect prey buried in the seafloor.

Scientists have revealed the first experimental evidence that tipping point behaviour can indeed evolve, and evolve quickly.