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These cheeses are at risk of going extinct

Season 51 | 1m 11s

Don’t fret – at-risk cheeses are not going to disappear instantly but they getting much harder to make.

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
Extras
Preview: Junk in the Trunk 14
Watch a preview of Mr. Polaroid.
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
The Bear River was once a lush area with wetlands, hot springs, and abundant wildlife.
Appraisal: George II Walnut Tripod Table, ca. 1760
Four members of Maine's deaf community died in the Lewiston shooting.
In the Lewiston shooting's aftermath, healing and recovery is taking many forms.
Months before the Lewiston mass shooting, the gunman’s family & friends were trying to get him help.
How did Army Reserve leaders respond to warning signs about the Lewiston shooter, a reservist?
The politics of guns in Maine and “yellow flag” laws, which shaped the Lewiston response.
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