单词：sensory limen
单词：sensory limen 相关文章
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
英语听力文摘 English Digest
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
英语听力文摘 English Digest
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
英语听力文摘 English Digest
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
英语听力文摘 English Digest
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
英语听力文摘 English Digest
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
英语听力文摘 English Digest