Pluto’s Haze, a Michigan Mammoth, and Antioxidants and Skin Cancer

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10/09/2015

Oct. 09, 2015

Pluto’s Haze, a Michigan Mammoth, and Antioxidants and Skin Cancer

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It’s blue skies ahead for NASA’s New Horizons spacecraft. Washington Post reporter Rachel Feltman explains what scientists are learning from new pictures of Pluto, including the first color images of the dwarf planet’s azure atmospheric hazes. She also discusses how blue whales subsist on shrimp and the shocking discovery of a woolly mammoth skeleton in Michigan as part of our weekly roundup of selected short subjects in science.

Plus, a new study in Science Translational Medicine finds that—contrary to popular belief—antioxidants might not be beneficial when it comes to the treatment of skin cancer. Specifically, researchers found “that some common antioxidants increase the rate of melanoma cell migration and invasion [...] in a mouse model.” David Leffell, the section chief of dermatologic surgery and cutaneous oncology at the Yale School of Medicine, talks about the good and bad of antioxidants when it comes to protecting against and combating skin cancer.

Produced by Becky Fogel, Production Assistant

Guests

Rachel Feltman
Writer, "Speaking of Science" blog
The Washington Post
New York, New York
David Leffell
David P. Smith Professor of Dermatology
Section Chief, Dermatologic Surgery and Cutaneous Oncology
Yale School of Medicine
New Haven, Connecticut

Discussion

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Code:
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line 2: sub doEval { 
line 3: 	my($parent);
line 4: 	
line 5: 	if($LayoutManager::url_resolved_values{'SEGMENT.nickname'}) {
line 6: 		$parent = $LayoutManager::url_resolved_values{'SEGMENT.nickname'};
line 7: 	}
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line 9: 		$parent = $LayoutManager::url_resolved_values{'VIDEO.nickname'};
line 10: 	}
line 11: 	elsif($LayoutManager::url_resolved_values{'DOCUMENT.nickname'}) {
line 12: 		$parent = $LayoutManager::url_resolved_values{'DOCUMENT.nickname'}
line 13: 	}
line 14: 	
line 15: 	if($parent) {
line 16: 		my(@books) = &Database::SelectClause('BOOK',"parent = $parent");
line 17: 		if(!@books) {
line 18: 			$parent = '';
line 19: 		}
line 20: 	}
line 21: 	
line 22: 	if(!$parent) {
line 23: 		my(@sel) = &Database::SelectClause('GLOBAL','record all ""');
line 24: 		if(@sel) {
line 25: 			$parent = 'GLOBAL.' . $sel[0];
line 26: 		}
line 27: 			$main::ENV{'reading_header'} = "FEATURED READING";
line 28: 	}
line 29: 	
line 30: 	 = '';
line 31: 	
line 32: 	if($parent) {
line 33: 		my(@books) = &Database::SelectClause('BOOK',"parent = $parent");
line 34: 		0 = 0;
line 35: 		my $dots;
line 36: 		foreach(@books) {
line 37: 			my(%data);
line 38: 			&Database::GetRow($_,'BOOK',\%data);
line 39: 			my($status,$title,$author,$url,$image,$width,$height) = &SciFri::Schema::getAmazonItem($data{'isbn'});
line 40: 			if($data{'title'}) {
line 41: 				$title = $data{'title'};
line 42: 			}
line 43: 			if($data{'author'}) {
line 44: 				$author = $data{'author'};
line 45: 			}
line 46: 			if($status eq 'ok') {
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line 48: 				 .= "	<div class=\"box-2x1-item-photo\">";
line 49: 				 .= "		<div class=\"image-wrapper\" data-jsclass=\"imageWrapper\" data-align=\"right\">";
line 50: 				 .= "			<img src=\"$image\" data-width=\"$width\" data-height=\"$height\">";
line 51: 				 .= "		</div>";
line 52: 				 .= "	</div>";
line 53: 				 .= "	<h4>$title</h4>";
line 54: 				if($author) {
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line 56: 				}
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line 65:  };
line 66: &doEval();
line 67: 1;