[网络] 半人类

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

发表于:2018-11-27 / 阅读(396) / 评论(0) 分类 2018年VOA慢速英语(十一)月

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

发表于:2018-12-01 / 阅读(182) / 评论(0) 分类 美国习惯用语

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

发表于:2018-12-03 / 阅读(119) / 评论(0) 分类 英文短篇故事(纽约)

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

发表于:2018-12-07 / 阅读(188) / 评论(0) 分类 科技之光

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

发表于:2018-12-17 / 阅读(118) / 评论(0) 分类 2017年NPR美国国家公共电台4月

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

发表于:2018-12-24 / 阅读(155) / 评论(0) 分类 2016年Scientific American(八)月

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

发表于:2018-12-28 / 阅读(122) / 评论(0) 分类 初学者听力文摘精选

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

发表于:2018-12-28 / 阅读(98) / 评论(0) 分类 初学者听力文摘精选

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

发表于:2018-12-28 / 阅读(101) / 评论(0) 分类 趣谈英语

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

发表于:2019-01-02 / 阅读(172) / 评论(0) 分类 60秒科学

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

发表于:2019-01-02 / 阅读(114) / 评论(0) 分类 2017年VOA慢速英语(三)月

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

发表于:2019-01-07 / 阅读(148) / 评论(0) 分类 科技之光

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

发表于:2019-01-09 / 阅读(127) / 评论(0) 分类 VOA标准英语2012年(九月)

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

发表于:2019-01-09 / 阅读(151) / 评论(0) 分类 VOA标准英语2013年(四月)

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

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2014年VOA慢速英语(一)月

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

发表于:2019-01-13 / 阅读(128) / 评论(0) 分类 VOA标准英语2012年(七月)

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

发表于:2019-01-13 / 阅读(115) / 评论(0) 分类 VOA标准英语2012年(三月)

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

发表于:2019-01-14 / 阅读(119) / 评论(0) 分类 VOA标准英语2012年(十月)

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

发表于:2019-01-19 / 阅读(133) / 评论(0) 分类 环球英语 Spotlight

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

发表于:2019-01-20 / 阅读(151) / 评论(0) 分类 2016年Scientific American(八)月
学英语单词
acid milling black b
air-flow diffusion
Alaska yellow cedar
allergic pulmonary alveolitis
alrich
anoushka
appearance of weld
arborescentcrystal
attatch
Bacillus fluorescens
bar corrosion activity evaluation
Bernoulli probability
Betapen
British Honduras
Brown C.
calabri-
calycosa
chain backbone
charges for licensing of import permit
Christards
chronic radiation injury
clarinet
cloud datacenter
coil boiler
complementee
cutanean
dioxypyrimidine
display screen
Dyspas
ecchymoma
estoperpetua
execution status of task
finelyporous
foulage
Fraunhofer hologram
freezer unit
gas balance
gas head pressure
glycerylphosphatide
greengross
hemangiopericytoma-like
hollowes
i-laid
Indiga
information feedback
instantaneous mortality rate
interdepartmental
kinetocytosis
lanostanes
lateral margin
lignum sanctum
lineid
magnetostriction alloy
mandible alveolar process
mechanical performance
metal layer
methyltrimethylol-methane
myotonia
nifepine
nomothetic
non-waiver
not a ghost of a
osmoprotectants
overpayment of contribution
pathogenecity
phenylacetic
portings
potentiations
power dressing
Pseudobombax
punkest
Q spoiling
Qingdai
rajkumar
reader typer
rectopexy
saturation absorption
Seboomook
secondary rate
side-shaft
Sijsele
solder-wrap
space curves
spirit enameling
static no-break power system
sublimatable
supervision and administration
supporting schedule
surgical ward
tarnish inhibitor
thrust stages
tighteners
timocharis
tin-protoporphyrin
trip-rope control
trocar
truntle
unflexible
urfe
waste fish
wedding pictures
wing bollard