Ocean Conservation, Dark Matter Hunt. June 8, 2018, Part 1

Science Friday

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🗓️ 8 June 2018

⏱️ 48 minutes

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Summary

Planets, stars, and physical “stuff” make up a tiny fraction of the universe. Most of the universe's mass is instead invisible dark matter, which makes itself known not by luminance, but by its gravitational influence on the cosmos. The motions of galaxies and stars require dark matter to be explained. Yet despite decades of searching and millions of dollars spent, physicists still haven't been able to track down a dark matter particle. In this segment, physicists Jodi Cooley and Flip Tanedo, and Gizmodo science writer Ryan Mandelbaum talk about how experimentalists and theorists are getting creative in the hunt for dark matter. Plus: Earlier this year Brazil made headlines and received accolades from ocean conservation advocates for turning 900,000 square kilometers of ocean in its exclusive economic zone into a marine protected area. That’s the good news. But the question remains: Does that 10 percent really need protecting? Natalie Ban, associate professor at the University of Victoria, tells Ira more. And Tanya Basu, science editor at The Daily Beast, joins Ira to talk about advances in breast cancer research and more science headlines in this week's News Round-up.

Transcript

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0:00.0	This is Science Friday. I'm Ira Flato. A bit later in the hour, we'll check in on the hunt for the elusive dark matter and why it's so hard to find. Well, it is dark, but there's much more to the story. First, last week, researchers reported in the New England Journal of Medicine that many women with breast cancer may be able to avoid chemotherapy and maintain the same chances of survival
0:23.5	as women who do get chemo.
0:26.4	And that may mean an easier treatment regimen for about 70% of women diagnosed with the most
0:32.4	common type of breast cancer.
0:34.5	Tanya Basu Science Editor at The Daily, is here to talk about that research and other
0:39.1	selected short subjects in science this week.
0:42.0	She's on New York Studios.
0:43.7	Welcome to your first time on Science Friday.
0:45.9	It is my first time.
0:46.9	Thank you for having me.
0:47.8	You're very well.
0:48.5	Let's talk more about this breast cancer news.
0:50.4	Many people may not need chemotherapy.
0:52.8	Yeah.
0:53.4	So the study goes back from 2006, and there were
0:57.6	thousands of women, 10,000 women, I think, that were studied. They're, you know, middle stage
1:02.2	cancer. They all get surgery, and then they get put in two different paths. They either get
1:06.8	undercrine therapy or they get chemotherapy. Turns out the women who went through endocrine therapy basically the same chemotherapy turns out the women who went through
1:11.3	endocrine therapy basically the same results as those who went through chemotherapy
1:15.4	and now researchers saying why are we putting them through all this radiation if
1:19.0	it's not necessary so that that sounds like it's great news because chemotherapy as you
1:23.2	say can be very difficult very toxic and of course endocrine therapy has some
	...

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