Science News for Kids » evolution http://www.sciencenewsforkids.org Publication of the Society for Science & the Public Sat, 18 May 2013 04:07:57 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 Perfect pacifier http://www.sciencenewsforkids.org/2013/05/in-people-and-mice-carrying-a-baby-calms-it/ http://www.sciencenewsforkids.org/2013/05/in-people-and-mice-carrying-a-baby-calms-it/#comments Wed, 01 May 2013 16:01:40 +0000 Stephen Ornes http://www.sciencenewsforkids.org/?p=16863 A mother’s arms can calm a crying infant, say scientists. The tactic works for mice, too, only those mammals use their mouth to cradle their young. Credit: iStockphoto

In people and mice, carrying a baby calms it]]> A mother’s arms can calm a crying infant, say scientists. The tactic works for mice, too, only those mammals use their mouth to cradle their young. Credit: iStockphoto

In people and mice, carrying a baby calms it]]> http://www.sciencenewsforkids.org/2013/05/in-people-and-mice-carrying-a-baby-calms-it/feed/ 0 No high notes for these blind fish http://www.sciencenewsforkids.org/2013/04/no-high-notes-for-these-blind-fish/ http://www.sciencenewsforkids.org/2013/04/no-high-notes-for-these-blind-fish/#comments Fri, 05 Apr 2013 14:00:10 +0000 Stephen Ornes http://www.sciencenewsforkids.org/?p=16311 This southern cavefish is blind and, new research suggests, partially deaf. But don’t feel sorry for the little fish; it may just be adapting to a dark and noisy habitat. Credit: Matthew Niemiller

Cave dwellers that can't see are also partially deaf]]> This southern cavefish is blind and, new research suggests, partially deaf. But don’t feel sorry for the little fish; it may just be adapting to a dark and noisy habitat. Credit: Matthew Niemiller

Cave dwellers that can't see are also partially deaf]]> http://www.sciencenewsforkids.org/2013/04/no-high-notes-for-these-blind-fish/feed/ 0 Cool Jobs: Museum science http://www.sciencenewsforkids.org/2013/02/cool-jobs-museum-science/ http://www.sciencenewsforkids.org/2013/02/cool-jobs-museum-science/#comments Wed, 27 Feb 2013 18:16:08 +0000 Sharon Oosthoek http://www.sciencenewsforkids.org/?p=15827 Royal Ontario Museum scientist Oliver Haddrath must wear protective clothing when working with ancient DNA. This ensures his DNA doesn’t get mixed up with the genetic material he is analyzing. Credit: Royal Ontario Museum

Samples collected long ago may hold answers to important questions in science and medicine today]]> Royal Ontario Museum scientist Oliver Haddrath must wear protective clothing when working with ancient DNA. This ensures his DNA doesn’t get mixed up with the genetic material he is analyzing. Credit: Royal Ontario Museum

Samples collected long ago may hold answers to important questions in science and medicine today]]> http://www.sciencenewsforkids.org/2013/02/cool-jobs-museum-science/feed/ 0 Getting a grip http://www.sciencenewsforkids.org/2013/01/getting-a-grip/ http://www.sciencenewsforkids.org/2013/01/getting-a-grip/#comments Fri, 18 Jan 2013 14:00:30 +0000 Stephen Ornes http://www.sciencenewsforkids.org/?p=15380 Immerse your hands in water for a while, and wrinkles will form. Those wrinkles improve a person’s grip on wet, slippery objects, says a new study. Credit: Mitchio/Flickr

Wrinkled fingers seem to be an advantage in wet environments]]> Immerse your hands in water for a while, and wrinkles will form. Those wrinkles improve a person’s grip on wet, slippery objects, says a new study. Credit: Mitchio/Flickr

Wrinkled fingers seem to be an advantage in wet environments]]> http://www.sciencenewsforkids.org/2013/01/getting-a-grip/feed/ 0 Four-winged dinosaur http://www.sciencenewsforkids.org/2012/11/four-winged-dinosaur/ http://www.sciencenewsforkids.org/2012/11/four-winged-dinosaur/#comments Mon, 12 Nov 2012 18:01:46 +0000 Stephen Ornes http://www.sciencenewsforkids.org/?p=14837 dino_feature

Hind wings helped a small dino make tight turns in midair]]> dino_feature

Hind wings helped a small dino make tight turns in midair]]> http://www.sciencenewsforkids.org/2012/11/four-winged-dinosaur/feed/ 0 The teenage brain http://www.sciencenewsforkids.org/2012/10/the-teenage-brain/ http://www.sciencenewsforkids.org/2012/10/the-teenage-brain/#comments Wed, 17 Oct 2012 18:20:22 +0000 Amanda Leigh Mascarelli http://www.sciencenewsforkids.org/?p=14423 The brain releases dopamine when something makes us feel good — like pulling off an exciting trick. The strength of this “feel good” response in teens helps explain why they sometimes chance real risks. Credit: iStockphoto

Adolescence triggers brain — and behavioral — changes that few kids or adults understand]]> The brain releases dopamine when something makes us feel good — like pulling off an exciting trick. The strength of this “feel good” response in teens helps explain why they sometimes chance real risks. Credit: iStockphoto

Adolescence triggers brain — and behavioral — changes that few kids or adults understand]]> http://www.sciencenewsforkids.org/2012/10/the-teenage-brain/feed/ 0 Bacteria learn new trick http://www.sciencenewsforkids.org/2012/10/bacteria-learn-new-trick/ http://www.sciencenewsforkids.org/2012/10/bacteria-learn-new-trick/#comments Fri, 12 Oct 2012 15:00:45 +0000 Stephen Ornes http://www.sciencenewsforkids.org/?p=14357 A decades-long experiment growing E. coli bacteria showed the microbes evolved the ability to eat a new food. Flasks of the germs turned cloudy when the bacteria ate citrate. Credit: Brian Baer and Neerja Hajela

Scientists show evolution in action in decades-long E. coli study]]> A decades-long experiment growing E. coli bacteria showed the microbes evolved the ability to eat a new food. Flasks of the germs turned cloudy when the bacteria ate citrate. Credit: Brian Baer and Neerja Hajela

Scientists show evolution in action in decades-long E. coli study]]> http://www.sciencenewsforkids.org/2012/10/bacteria-learn-new-trick/feed/ 0 Bird malaria moves north http://www.sciencenewsforkids.org/2012/10/bird-malaria-moves-north/ http://www.sciencenewsforkids.org/2012/10/bird-malaria-moves-north/#comments Wed, 10 Oct 2012 16:36:06 +0000 Stephen Ornes http://www.sciencenewsforkids.org/?p=14350 Black-capped chickadees, like the one shown here, stay in Fairbanks, Alaska, year-round. Scientists report that some of the birds have been found with avian malaria, suggesting that the germ that causes the disease has established itself in the far North. Credit: Mdf/wikipedia

Germs that cause a so-called tropical disease make themselves at home in frosty Alaska]]> Black-capped chickadees, like the one shown here, stay in Fairbanks, Alaska, year-round. Scientists report that some of the birds have been found with avian malaria, suggesting that the germ that causes the disease has established itself in the far North. Credit: Mdf/wikipedia

Germs that cause a so-called tropical disease make themselves at home in frosty Alaska]]> http://www.sciencenewsforkids.org/2012/10/bird-malaria-moves-north/feed/ 0 Dino find ruffles feathers http://www.sciencenewsforkids.org/2012/07/more-dinosaurs-were-feathered-than-previously-thought/ http://www.sciencenewsforkids.org/2012/07/more-dinosaurs-were-feathered-than-previously-thought/#comments Fri, 27 Jul 2012 13:00:16 +0000 Stephen Ornes http://www.sciencenewsforkids.org/?p=13379 The skeleton of Sciurumimus albersdoerferi, embedded in a limestone slab, suggests that feathers might have been the norm for dinosaurs. Credit: H. Tischlinger/Jura Museum Eichstatt

Nearly-perfect, newfound dinosaur fossil reveals more dinos were feathered than previously thought ]]> The skeleton of Sciurumimus albersdoerferi, embedded in a limestone slab, suggests that feathers might have been the norm for dinosaurs. Credit: H. Tischlinger/Jura Museum Eichstatt

Nearly-perfect, newfound dinosaur fossil reveals more dinos were feathered than previously thought ]]> http://www.sciencenewsforkids.org/2012/07/more-dinosaurs-were-feathered-than-previously-thought/feed/ 0 The oldest place on Earth http://www.sciencenewsforkids.org/2012/06/the-oldest-place-on-earth/ http://www.sciencenewsforkids.org/2012/06/the-oldest-place-on-earth/#comments Wed, 13 Jun 2012 16:40:51 +0000 Douglas Fox http://www.sciencenewsforkids.org/?p=12977 Flt-2-Friis-Hills-high-3_feature

Antarctica may seem like the dead continent, but it once bustled with life — a little of which still survives ]]> Flt-2-Friis-Hills-high-3_feature

Antarctica may seem like the dead continent, but it once bustled with life — a little of which still survives ]]> http://www.sciencenewsforkids.org/2012/06/the-oldest-place-on-earth/feed/ 0