标签:sensory 相关文章
Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But
Bees Prefer Flowers That Proffer Nicotine蜜蜂更偏爱含有尼古丁的花朵 We humans enjoy coffee and tea, to give our brains a caffeine boost. And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory.
Unit 44 Trees Are Violet In 1874, fifty-five artists held the first independent group show of Impressionist art. Most of them, including Canne, Pissarro, Renoir, Degas, Monet, Manet, and his sister-in-law Berthe Morisot -- a bunch of lunatics and a w
Unit 56 What is Autism? Autism is a lifelong developmental disorder that affects the way a person communicates and relates to other people. The range and intensity of disability varies widely, but all individuals affected by autism have difficulty wi
What Are Reflexes? If youve ever blinked at a sudden light, jerked your hand away from something hot, or jumped at a loud noise, then you know that these are not actions we consciously plan. Rather, they happen involuntarily. Such sudden, unconscious
By Ravi Khanna New York 04 April 2007 New York City is home to the famous Lee Strasberg Theater and film institute, which is known for training actors in what it calls method acting. Urdu TV' s Ravi Khanna went inside the institute to find out more f
By Doug Levine Washington 25 June 2006 It's not often you hear someone singing songs by Dizzy Gillespie and John Coltrane. In fact, you might wonder if it's ever been done at all. Until now, jazz vocalists have kept to the straight-and-narrow, sing
Scientists Identify Deafness Gene in Mice Scientists have identified a gene that causes deafness in mice, and they say it could lead to a better understanding of hereditary deafness in humans and maybe new treatments in the future. Scientists had pre
Sense of Smell Jumpstarted Brain Evolution Mammals have much bigger brains than other animals. Scientists aren't sure exactly why, but new research published this week in the journal Science suggests it might have something to do with mammals' acute
Simulating Blindness Might Help Improve Hearing 模拟失明或有助于提高听力 A new report suggests it might be possible to change the circuitry of the brain to better process sound, a finding that could give renewed hope to the 350 million pe
Electric Fish Offer Insight Into Human Central Nervous System Electric fish live mostly in fresh water in tropical rivers and are found primarily in only two parts of the world. There are two main groups, one in South America, the Gymnotiform, and th
科学家研制出可伸缩触感材料人造皮肤 Artificial robotic hands are getting increasingly better at emulating human hands and the most advanced can even be controlled by thoughts. 人工机械手臂在模仿人手方面正越发完美而且
T-Rex is impressive and it's powerful, but compare to Ankylosaurus, it is relatively lightly built. Protective plates made of bone and cartilage covered this lumbering creature from head to tail. Light, but extremely strong, the hide of Ankylosaurus
Sauroposeidon towers over Deinonychus. In fact, its mammoth size is its primary defense. But this giant begins life very small. For Deinonychus, Sauroposeiden would be a great meal, at least the juveniles, because there wouldve been lots of them and
propel this creature weighing as much as a grizzly bear, from a dead stop to a launch speed of 50 kilometers per hour all in a fraction of a second. I think that seeing a pterosaur like Quetzalcoatlus actually take off would have to be one of the mos
Afterglow Heres an experiment you can try: look at something bright relative to its surroundings, such as a lamp or a sunny window, for ten seconds without blink ing . Then shut your eyes and cover them over with your hands. You will find that the la
Picture this: A foraging squirrel comes into range of a hungry, coiled rattlesnake. The squirrel realizes the danger too late--the rattlesnake strikes out and bites, fangs pumping venom deep into the squirrel's small body. The poison doesn't kill imm
Sperm Sniff Out Their Targets 精子靠嗅觉发现卵子 Scientists who study human sperm have long wondered whether human sperm could somehow sense the presence of an egg . Then, just about a decade ago, it was discovered that sperm have protein s
Tricking Your Muscles 肌肉欺骗了你? Heres a neat experiment: Find an open doorway and stand inside it, facing into the room. 做一个简单的实验:找一扇开着的门并站在门口,面向房间。 Now press your arms outward until t
Y: I noticed that fish have holes that look like nostrils, does that mean they can smell? D: Smell, or olfaction, as scientists call it, is an important sense for many fish. Those little holes that look like nostrils are called nares. Nares dont lead