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In California, monitoring marine protected areas can get expensive. Current efforts—which include underwater surveys conducted by scuba diving volunteers—have already cost the state $16 million, and in some places, there’s no funding left. But testing DNA in water samples could provide an effective alternative to more costly methods. KQED’s science and environment reporter, Lauren Sommer, discusses this story and other science news from the week.
Plus, when it comes to their diet, polar bears aren't so finicky. Would they prefer a fatty ringed seal pup? Yes. But Robert Rockwell, a research associate at the American Museum of Natural History, explains in a new study in PLOS ONE that the longtime “flexible foragers” have incorporated snow geese, eggs, and caribou into their diet as the ice-free season increases in Canada’s western Hudson Bay. Rockwell reflects on the good and bad of polar bears’ ability to face climate change and discusses how the biggest threat to their livelihood might not just be warmer temperatures. |
EVAL ERROR: Entity: line 1: parser error : Space required after the Public Identifier ^ Entity: line 1: parser error : SystemLiteral " or ' expected ^ Entity: line 1: parser error : SYSTEM or PUBLIC, the URI is missing ^ Code: line 1: package tmpevalpackage; line 2: sub doEval { line 3: my($parent); line 4: line 5: if($LayoutManager::url_resolved_values{'SEGMENT.nickname'}) { line 6: $parent = $LayoutManager::url_resolved_values{'SEGMENT.nickname'}; line 7: } line 8: elsif($LayoutManager::url_resolved_values{'VIDEO.nickname'}) { 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') { line 47: .= "<div class=\"box-2x1-item box-slide\" data-href=\"$url\">"; line 48: .= " <div class=\"box-2x1-item-photo\">"; line 49: .= " <div class=\"image-wrapper\" data-jsclass=\"imageWrapper\" data-align=\"right\">"; line 50: .= " <img src=\"$image\" data-width=\"$width\" data-height=\"$height\">"; line 51: .= " </div>"; line 52: .= " </div>"; line 53: .= " <h4>$title</h4>"; line 54: if($author) { line 55: .= " <p>by $author</p>"; line 56: } line 57: .= " <div class=\"box-2x1-more-button\"><a href=\"$url\"><img src=\"/images/v1/icon_text_more_white.png\" width=47 height=15 border=0></a></div>"; line 58: .= "</div>"; line 59: ++0; line 60: } line 61: } line 62: } line 63: if($parent eq "GLOBAL.1") { $main::ENV{'reading_header'} = "FEATURED READING"; } line 64: else { $main::ENV{'reading_header'} = "RELATED READING"; } line 65: }; line 66: &doEval(); line 67: 1;
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