Life
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Health & MedicineGeneticists get closer to knowing how mosquitoes sniff out our sweat
Scientists have found that a protein in the antennae of some mosquitoes detects a chemical in human sweat.
By Susan Milius -
AnimalsBumpy edges could be key to record-breaking oars
Inspired by the bumpy edges of flippers on a humpback whale, an Australian teen has redesigned oars for use by competitive rowers.
By Sid Perkins -
AnimalsScientists Say: Guinea worm
Scientists and health care workers are working to eradicate this parasite, which causes a painful condition called Guinea worm disease.
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AnimalsTwo teens pull DNA from birds out of the air
Animals shed DNA into their environment. Usually scientists find it in water or soil. Now, two teens have figured out how to capture this “environmental DNA” from air.
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AnimalsTeen designs belt to hold down a sea turtle’s bubble butt
Sea turtles hit by boats can develop an injury called “bubble butt syndrome.” One teen invented a vest to help them dive again.
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PlantsNeed a little luck? Here’s how to grow your own
A 2019 Intel ISEF finalist used a plant hormone and extra fertilizer to boost the numbers of multi-leafed clovers — including lucky four-leafed plants — she could reliably grow.
By Sid Perkins -
Health & MedicineTesting mosquito pee could help track disease spread
A new way to monitor the viruses that wild mosquitoes have picked up passes its first outdoor test. The method uses mosquito urine.
By Susan Milius -
LifeHow some birds lost the ability to fly
Some birds have evolved to stay on the ground instead of flying. Scientists think changes to bossy bits of DNA might be the reason.
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GeneticsScientists Say: Genealogy
This is the study of someone’s ancestry. It could mean finding out about someone’s family tree or the history of evolution from one species to another.
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AnimalsYes, cats know their own names
Cats can tell their names apart from other spoken words. A new study supports what cat owners the world over had suspected.
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AnimalsBears that eat human ‘junk food’ may hibernate less
Wild black bears snacking on leftovers of sugary, highly processed foods show possible signs of faster cellular wear.
By Susan Milius -
FossilsPaleontologists find the first fossilized egg inside an ancient bird
For the first time, paleontologists have found an unlaid egg inside an ancient bird fossil. That egg may have caused its mother’s death.