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We summarize the week's scientific breakthroughs every Thursday.
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		AnimalsInvasive species may be great snacks for predators
The arrival of a new food source can benefit predators, a new study finds. But if there are no native species around to eat, it’s a different story.
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		PaleontologyFurry, spiky mammal scampered among dinosaurs
Early Cretaceous fur ball with spikes discovered in Spain.
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		AnimalsFor glowworms, the brightest girls get the guy
Brighter female glowworms attract more mates and lay more eggs than their dimmer peers.
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		PhysicsPentaquarks, locked-in syndrome and more reader feedback
Readers discuss pentaquark sightings, delightful diatoms and whether an ancient four-legged fossil was actually a snake.
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		GeneticsAsian tiger mosquito genome sequenced
Researchers have sequenced the genome of the Asian tiger mosquito, a stealthy invasive species and carrier of tropical diseases.
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		AnimalsFor glowworms, the brightest girls get the guy
Brighter female glowworms attract more mates and lay more eggs than their dimmer peers.
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		AnimalsHow architecture can make ants better workers
The right nest architecture can make harvester ants better at their job, new research shows.
By Susan Milius - 			
			
		NeuroscienceNets full of holes catch long-term memories
Tough structures that swaddle nerve cells may store long-term memories.
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		NeuroscienceSex influences ability to assess crowd’s emotion
New analyses explain how people detect an angry mob or a happy party.
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		NeuroscienceHigh-fat diet’s negative effect on memory may fade
Brain may find way to compensate for memory impairments linked to high-fat diets, study in rats shows.
By Susan Gaidos - 			
			
		Paleontology300 million-year-old giant shark swam the Texas seas
Fossil find shows oldest known ‘supershark,’ about the size of a limo, prowled the ocean 300 million years ago.
By Meghan Rosen - 			
			
		Health & MedicineHollywood-made science documentary series comes to TV
Breakthrough series gives a closer look at scientists at work.