Was Life Harder for Neanderthals or Early Humans?

Neanderthals are extinct, but they were the closest relative of modern humans. Up until about 30,000 years ago, human beings shared the Earth with Neanderthals. The two species were so close that they sometimes mated. Scientists have long believed th

美国习惯用语: Lesson 247 - half-baked / half-hearted

这次节目里我们要讲的两个习惯用语都有一个关键的字。那就是：Half. Half就是什么东西，什么份量或重量的一半。我们今天要讲的第一个习惯用语是：H

英语听力短文05 Cat and Dog Discuss Humans

The cat and the dog were talking. The cat said, Humans treat us better than you. If we turn up our nose at the cat food they serve us, they buy us another brand. If we're sleepy, we can sleep on the pillows in their bed. The dog said, But humans take

Cloning Humans

05 关于克隆人计划的争论 DATE=2-21-01 TITLE=SCIENCE REPORT - Cloning Humans BYLINE=George Grow (start at 59

美国国家公共电台 NPR New Evidence Suggests Humans Arrived In The Americas Far Earlier Than Thought

ARI SHAPIRO, HOST: Artifacts found in Southern California have puzzled scientists for years. Some now say they are proof that humans lived in the area 130,000 years ago, well before anyone thought. That would make them the oldest evidence of humans i

科学美国人60秒 SSS Humans Are Superpredators in the Landscape of Fear

Small carnivoreslike foxes or raccoons or badgersare themselves prey for larger predatorslike wolves. So they spend time hiding instead of hunting. This influence that big predators have on their ecosystem is called a landscape of fear. But humans ar

英文书摘精选 Why Humans (Not Chimps) Get Cancer为何人类而不是黑猩猩会得癌症?

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

英文书摘精选 How Similar Are Humans And Chimps?人类和猩猩有多相似?

Dear A Moment of Science, 亲爱的《科学一刻》栏目组： I know that humans and chimps share something like 98 percent of our DNA. But what does this really mean? At least on the surface, humans and chimps seem very different we live in hous

【趣谈英语】人类都有99%相似的基因-Humans Share 99% Of The Same DNA

Pre-Listening Vocabulary cell: a single functional unit of an organism reproduce: to make another living thing paternity: the state of being ones natural parent (esp. father) forensic: scientific evidence related to a criminal investigation Humans Sh

60秒科学:1 Million Years B.C.: Humans Rare

1 Million Years B.C.: Humans Rare A study in the Proceedings of the National Academy of Sciences used genomic analysis of modern humans to reveal that the population of our ancestors a million years back was below 20,000. Karen Hopkin reports At one

More than Half of the World’s Primates Disappearing

Scientists who study primates say that we are moving towards a time when species like gorillas will no longer be found in the wild . They say Orangutans would be gone too. And Madagascar would lose its lemurs. Jo Setchell is a primatologist at Durham

SCIENCE IN THE NEWS - Humans and Chimps: What's the Differen

SCIENCE IN THE NEWS -May 7, 2002: Humans and Chimps: What's the Difference? / Thousands of Ancient Remains Found in Peru / Rice Genes Mapped VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Bob

VOA标准英语2012--To Avoid Humans, Tigers Take Night Shift

To Avoid Humans, Tigers Take Night Shift Tigers dont have a reputation for being very accommodating, but a new study challenges the long-held conservation belief that these large carnivores need lots of people-free space. This new understanding is es

VOA标准英语2013--Plants, Humans Share Sensory Awareness

Plants, Humans Share Sensory Awareness The Botanical Garden is a blooming paradise, about four hectares filled with a rich array of some 3,800 species drawn from Israels diverse landscape and from around the world. Danny Chamovitz, director of the Ma

VOA慢速英语2014 AS IT IS 2014-01-06 More Diseases Now Spreading from Animals to Humans 越来越多的动物疾病传播给人类

AS IT IS 2014-01-06 More Diseases Now Spreading from Animals to Humans 越来越多的动物疾病传播给人类 Hello, and welcome to As It Is from VOA Learning English. Im Christopher Cruise in Washington. Today on the program, we report on effort

VOA标准英语2012--Japanese Robots Besting Humans at Games

Japanese Robots Besting Humans at Games Tokyo University engineering professor Masatoshi Ishikawa has a good-natured response to frustrated human losers who accuse him of essentially creating a robot that cheats. [It is] not cheating. Every one milli

VOA标准英语2012--Genome Shows Humans More Gorilla-like than Thought

Genome Shows Humans More Gorilla-like than Thought Sixty scientists worked over five years to sequence the genome of a single female lowland gorilla, the last of the great apes to have its DNA mapped. According to lead author Aylwyn Scally, of the Tr

VOA标准英语2012--Meat Was Main Dish for Early Humans

Meat Was Main Dish for Early Humans Modern-day humans eat a lot of meat. Some nutritionists say perhaps too much. But fossils in Tanzania indicate that early humans considered meat a dietary staple much earlier than first thought. Whats more, meat ma

英语听力—环球英语 1305 Dogs and Humans

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 There is a large square stone near a

科学美国人60秒 SSS Humans and Birds Cooperate to Share Beehive Bounty

This is a story about the birds and the bees. When the Yao people of Mozambique want to find beehives full of honey they make this noise [brrrr-hm]. That sound attracts the attention of what are appropriately called honeyguide birds. If you ask Yao h