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Geometric Analysis Reveals How Birds Mastered Flight

August 3, 2022

Partnerships between engineers and biologists have begun to reveal how birds evolved their superb maneuverability.

Reshuffled Rivers Bolster the Amazon’s Hyper-Biodiversity

June 7, 2022

The lush biodiversity of the Amazon may be due in part to the dynamics of branching rivers, which serve as invisible fences that continuously barricade and merge bird populations.

Brain-Signal Proteins Evolved Before Animals Did

June 3, 2022

Some animal neuropeptides have been around longer than nervous systems.

Mitochondria Double as Tiny Lenses in the Eye

April 5, 2022

The optical properties of mitochondrial bundles in the retina may improve how efficiently the eye captures light.

Secrets of Early Animal Evolution Revealed by Chromosome ‘Tectonics’

February 2, 2022

Large blocks of genes conserved through hundreds of millions of years of evolution hint at how the first animal chromosomes came to be.

Flying Fish and Aquarium Pets Yield Secrets of Evolution

January 5, 2022

New studies reveal the ancient, shared genetic “grammar” underpinning the diverse evolution of fish fins and tetrapod limbs.

New Brain Maps Can Predict Behaviors

December 6, 2021

Rapid advances in large-scale connectomics are beginning to spotlight the importance of individual variations in the neural circuitry. They also highlight the limitations of “wiring diagrams” alone.

Wildfires of Varying Intensity Can Be Good for Biodiversity

November 29, 2021

The spate of furious wildfires around the world during the past decade has revealed to ecologists how much biodiversity and “pyrodiversity” go hand in hand.

Animals Count and Use Zero. How Far Does Their Number Sense Go?

August 9, 2021

Crows recently demonstrated an understanding of the concept of zero. It’s only the latest evidence of animals’ talents for numerical abstraction — which may still differ from our own grasp of numbers.

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