Toad disguises itself as deadly viper to avoid attack

The first study of a toad mimicking a venomous snake reveals that it likely imitates one of Africa's largest vipers in both appearance and behavior, according to results published in the Journal of Natural History.

Poor water conditions drive invasive snakeheads onto land

The largest fish to walk on land, the voracious northern snakehead, will flee water that is too acidic, salty or high in carbon dioxide—important information for future management of this invasive species.

An evolution in the understanding of evolution

Remember domain, kingdom, phylum, class, order, family, genus, species and Charles Darwin's "tree of life" metaphor we learned about in high school biology? That way of describing living-things lineages is just science's ...

California's crashing kelp forest

First the sea stars wasted to nothing. Then the purple urchins took over, eating and eating until the bull kelp forests were gone. The red abalone starved. Their fishery closed. Red sea urchins starved. Their fishery collapsed. ...

What is sex really for?

Few topics arouse as much interest and controversy as sex. This is hardly surprising. The biological continuance of the species hinges on it—if human beings stopped having sex, there would soon be no more human beings. ...

Lab-grown meat: Researchers grow muscle cells on edible fibers

Lab-grown or cultured meat could revolutionize food production, providing a greener, more sustainable, more ethical alternative to large-scale meat production. But getting lab-grown meat from the petri dish to the dinner ...

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