zzdedu
Home
/
Educational Science
/
Animals
Humans Hardwired to Respond to Animals
Aug 31, 2011
Humans Hardwired to Respond to Animals
A part of your brain is hardwired to respond to animals, whether cute and fluffy or ugly and threatening, a new study has found. A research team showed pictures of people, landmarks, animals or objects to epilepsy patients, who were already wired up so doctors could watch brain activity related...
'Switchblade' Claw Reveals How Dino Fought and Killed
Aug 31, 2011
'Switchblade' Claw Reveals How Dino Fought and Killed
Battle damage linked to the fearsome curving talon of a newly discovered dinosaur relative of Velociraptor is shedding light on how it was used as a weapon, scientists find. This research also adds to the mysterious complexity seen in the lost continent where this fossil was found, researchers added. The...
To Sex-Starved Squid in the Dark, Either Gender Will Do
Aug 31, 2011
To Sex-Starved Squid in the Dark, Either Gender Will Do
Meeting girls is tough if you're a male squid living in the deep, dark waters off the coast of California. You may run across your own species only rarely — and when you do, the deep-sea gloom makes it hard to tell whether your new pal is a guy or...
True Colors of Ancient Beetles Revealed
Aug 31, 2011
True Colors of Ancient Beetles Revealed
Even after being locked in rock for millions of years, some ancient beetle fossils retain a metallic rainbow sheen. But a new study finds that these bugs undergo changes during fossilization that makes them look slightly redder than they did in life. Beetles flash some of the most intense colors...
Giant Rat Kills Predators with Poisonous Hair
Jul 31, 2011
Giant Rat Kills Predators with Poisonous Hair
By utilizing the same plants that African tribesmen use to poison their arrows, the furry fury known as the African crested rat can incapacitate and even kill predators many times its size, researchers have found. This is the first mammal that is borrowing a deadly poison from a plant and...
Gigantic Birds Trod Earth During Age of Dinosaurs
Jul 31, 2011
Gigantic Birds Trod Earth During Age of Dinosaurs
An enormous bird, taller than an adult human, walked the Earth (and maybe flew above it) more than 80 million years ago, according a newly discovered fossilized jaw. The finding suggests oversize birds were more common during the Age of Dinosaurs than scientists thought. Scientists have long known that birds,...
Tiny Dinosaurs Left Footprints On Ancient South Pole
Jul 31, 2011
Tiny Dinosaurs Left Footprints On Ancient South Pole
Several groups of dinosaurs that were roaming the South Pole more than 100 million years ago left three-toed prints in the wet, sandy soil. As they became compacted into cliffs, the prints waited patiently for Anthony Martin of Emory University to stumble across them in what is now Victoria, Australia....
Can We Make Jurassic Park Yet?
Jul 31, 2011
Can We Make Jurassic Park Yet?
Find an ancient mosquito trapped in amber. Draw dinosaur blood from its belly. Extract DNA from that blood and insert it into a crocodile embryo. Hatch the egg. Feed the dino. Start an amusement park. Don't open the gates. That series of steps might have sounded pretty fanciful back in...
In Photos: Birds of Prey
Jul 31, 2011
In Photos: Birds of Prey
In Photos: Birds of Prey (Image credit: George Gentry | U.S. Fish and Wildlife Service)Birds of prey, including hawks, falcons, owls and eagles, such as the bald eagle above, are also known as raptors because they use their claws instead of their beaks to capture prey. They are meat-eaters with...
In Vitro Fertilization May Help Older Cheetahs Reproduce
Jul 31, 2011
In Vitro Fertilization May Help Older Cheetahs Reproduce
Good news for the dwindling cheetah population; despite aging, the eggs of cheetahs older than 8 years appear to remain in good condition, scientists have found. Those of us who work with cheetahs have anecdotally noted that it's hard to reproduce older cheetahs, but this is the first time anyone...
Florida Cold Snap Devastated Coral Reefs
Jul 31, 2011
Florida Cold Snap Devastated Coral Reefs
A 2010 cold snap in Florida caused widespread coral death in the reefs along the state's coast, a new study finds. In fact, the mortality rates from the cold were higher than in any other event on record. It was a major setback, said study researcher Diego Lirman, a professor...
Tasmanian Tigers Wrongly Convicted of Killing Sheep
Jul 31, 2011
Tasmanian Tigers Wrongly Convicted of Killing Sheep
The now-extinct Tasmanian tiger was hunted out of existence in the early 1900s for killing Australian farmers' sheep. But a new study finds that the tiger was framed. In fact, the animals' jaws were so weak that they likely couldn't have hunted anything larger than a possum. The Tasmanian tiger,...
Marla Spivak: A Scientist With A Real Bee In Her Bonnet
Jun 30, 2011
Marla Spivak: A Scientist With A Real Bee In Her Bonnet
This Behind the Scenes article was provided to LiveScience in partnership with the National Science Foundation. How do we study bees and why are they disappearing? How are scientists working to save them? Marla Spivak — a MacArthur Fellow and Distinguished McKnight Professor and extension entomologist in the Department of...
What the Heck Is This?
Jun 30, 2011
What the Heck Is This?
Anyone who knows what the thing that this is a close-up of will have no trouble guessing what it is. A lot of people will guess something similar but miss the mark just slightly, I bet. Need a hint: I think not, today. See the full-size image below and an...
Chimpanzees Dogged By Image Problem
Jun 30, 2011
Chimpanzees Dogged By Image Problem
Chimpanzees have an image problem. The portrayal of these great apes in commercials, movies and greeting cards may lead people to perceive them as appealing potential pets and overlook their endangered status, a new study indicates. A survey of 1,203 people showed that specific features of an image — in...
Copyright 2023-2025 - www.zzdedu.com All Rights Reserved