Life
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Animals
DNA study reveals new wild cat species in Brazil
A new small cat species, Leopardus guttulus, was discovered in Brazil, hiding in plain sight. The oncilla, researchers say, is really two kinds of cat.
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Animals
Insect form of sexual frustration takes toll
Smelling female fruit flies but not mating with them can actually shorten males’ lives.
By Susan Milius -
Life
To cook up life, just add citrate
The theory that RNA spawned the first organisms gets a boost from a common compound.
By Sam Lemonick -
Ecosystems
Cannibalistic mantis invades New Zealand, eats natives
Native male New Zealand mantises try to mate with females of an invasive species, only to find out the hard way that those females eat their mates.
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Life
Compounds defeat malaria at every step
Experimental drugs are first to kill all stages of the parasite’s infection cycle.
By Beth Mole -
Animals
To study turkey instincts, consider robot turkeys
In 2004, Australian researchers built robot turkeys to study the instincts of Australian brush turkey chicks. Robots can be a useful way of learning more about animals, but the use of robots has yet to take over in animal behavior studies.
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Neuroscience
The memory benefits of distraction
We usually think of distraction as a bad thing for memory. But under certain conditions, distraction may help rather than hurt.
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Animals
Odd head of seahorse cloaks its sneak attacks
Head shape creates hydrodynamic fake-out for stealth hunting.
By Susan Milius -
Materials Science
Material inspired by dragonfly wings bursts bacteria
Silicon studded with nanostructures could act as antimicrobial coating on medical devices.
By Beth Mole -
Genetics
DNA changes may show how whales adapted to water
Comparing the genetic material of whales has revealed DNA changes that may have helped the animals adapt to aquatic environments.
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Plants
How weeds hitchhike across the country
A drive down a muddy lane can be fun, but it can also pick up the seeds of weeds or invasive species and transport them far away.
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Life
Fungal fight club
Combat between fungal individuals is a bit like war between heaps of spaghetti.
By Susan Milius