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Biology

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The CRISPR War Raging Inside Bacteria

Rings of DNA inside bacteria use CRISPR process to attack each other.

Brian Owens, Contributor

Creature

Female Toads Seek a Good Man – Even if He’s Another Species

New research shows female plains spadefoot toads listen up for the best mate.

Brian Owens, Contributor

Juvenile snake coiled atop leaves and forest litter, with specks of orange and yellow near the head of the brown and black snake.

Creature

Change in Diet Sent Snakes Looking for New Chemical Defense Against Predators

Snake species recycles poison collected from its own prey.

Brian Owens, Contributor

A collection of perhaps 20 whales swimming in front of icy mountains, dorsal fins extending out of the water.

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Antarctic Killer Whales May Travel Great Lengths for Healthy Skin

Researchers suggest that a previously unidentified factor may drive whales to migrate.

Jesse Kathan, Contributor

Creature

Upside-Down Jellyfish Can Sting People Without Touching Them

They release "mobile grenades" -- tiny balls of stinging cells that are shaped like popcorn and can swim under their own power.

Nala Rogers, Staff Writer

Creature

Male Spiders Sacrifice Legs to Placate Cannibalistic Lovers

For tufted golden orb weavers, losing a leg is better than losing their life.

Joshua Learn, Contributor

Culture

Scientists Grow Date Palm Plants from 2,000-Year-Old Seeds

The researchers hope to resurrect a variety of date that was praised in antiquity but lost to time.

Catherine Meyers, Editor

Creature

Oldest Fossil Evidence of Animal Parenting Found in Canada

309 million years ago an animal that resembled a lizard wrapped its tail around a younger member of its species.

Charles Q. Choi, Contributor

Creature

How Whales Got So Large -- And Why They Aren’t Even Bigger

The bigger the whale, the tougher it is to find a decent meal.

Joshua Learn, Contributor

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