SSS 2012-02-29
时间：2018-12-24 作者：英语课 分类：Scientific American(二)月
英语课
This is Scientific American 60 Second Science, I am Mariette DiChristina. Got a minute?
Maybe you've heard that sound. It's an Orca, a killer 1 whale. We know that whales have a kind of language. Families and closely related groups even share dialects.
Are they letting members of the pod know where the food is, crooning a romantic ballad 2 to a potential mate, or something else altogether? That's what researchers want to know--and where citizen scientists come in.
The first step in understanding whale talk is cataloging the calls. You might organize your messy drawer by matching up the socks--at our website, citizen scientists can match up the whale calls. You listen to an uncategorized call, then find one that it sounds like it [similar sound].
So far, more than 5,000 volunteers have matched 100,000 calls. That effort would have taken professionals years. The data will help answer questions like: How many kinds of calls do whales make? And: What does the number of calls say about intelligence? The studies will also help researchers develop guidelines to reduce the impact of man-made sounds on marine 3 life. To lend us your ears, just go to whale.scientificamerican.com
Thanks for the minute for Scientific American, I'm Mariette DiChristina.
1 killer
n.杀人者，杀人犯，杀手，屠杀者
- Heart attacks have become Britain's No.1 killer disease.心脏病已成为英国的头号致命疾病。
- The bulk of the evidence points to him as her killer.大量证据证明是他杀死她的。