Snails have a thing for sexy stems

In the marshlands of the southeast United States, the periwinkle snail is among the most abundant grazing species. "You can look out at high tide and see them everywhere, climbing up on the grasses," said Randall Hughes, ...

Untangling the tree of life

These days, phylogeneticists – experts who painstakingly map the complex branches of the tree of life – suffer from an embarrassment of riches. The genomics revolution has given them mountains of DNA data that they can ...

Deep-sea vent animals not as isolated as they seem

(Phys.org) —Miles below the ocean surface, diverse ecosystems flourish at hydrothermal vents. Without sunlight, animals live off of bacteria that thrive on chemicals billowing out of the Earth's crust. These strange communities ...

1,500-year-old landfill discovered in USVI

(AP)—Crews renovating a public square in the U.S. Virgin Islands have discovered a 1,500-year-old landfill stuffed with shells, bones and pottery fragments.

Study shows how biodiversity can protect against disease

The richer the assortment of amphibian species living in a pond, the more protection that community of frogs, toads and salamanders has against a parasitic infection that can cause severe deformities, including the growth ...

Size of lunch dictates force of crunch (w/ Video)

Many animals prefer food—snails, nuts, etc.—that must be cracked and crushed. Scientists have measured the maximum force of their impressive bites before, but a new study introduces a significant subtlety: bite force ...

A snapshot of pupfish evolution in action

Chris Martin has bred more than 3,000 hybrid fish in his time as a graduate student in evolution and ecology at UC Davis, a pursuit that has helped him create one of the most comprehensive snapshots of natural selection in ...

What's eating the sea butterfly? CO2, study says

Rising acidity is eating away the shells of tiny snails, known as "sea butterflies", that live in the seas around Antarctica, leaving them vulnerable to predators and disease, scientists said Sunday.

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