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AnimalsSponges’ secret weapon
An aquatic animal provides a possible new kind of disease resistance.
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TechSupergoo to the rescue
The absorbent stuff in diapers may help clean up after a terrorist attack.
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Health & MedicineContemplating thought
Your brain is more complex than a computer, but the two are similar.
By Susan Gaidos -
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AnimalsWhen Darwin got sick of feathers
The man who started evolutionary biology had some bad moments over a bird.
By Susan Milius -
PlantsThe man who rocked biology to its core
Two hundred years later, Charles Darwin's ideas still live on.
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MicrobesHitting the redo button on evolution
Scientists are experimenting with bacteria to see if evolution plays out the same way every time.
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FossilsInvisible fossils of the first animals
Though the first animals on Earth didn’t leave behind rock fossils, scientists can still find these ancient creatures by observing their invisible molecular fossils.
By Douglas Fox -
EarthAntarctica warms, which threatens penguins
Unexpected rates of warming threaten to change Antarctica and pose a threat to the survival of some of its penguins.
By Susan Gaidos