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all names

Petersham place

Named in 1 report across 1 story - 2 Sept

The web around Petersham

Closest companions, sized by how often they share a report with Petersham. Lines between the outer names are their own relationships - names that appear together even without Petersham.

Harvard Forest and Massachusetts share 1 reportHarvard Forest and Prospect Hill share 1 reportMassachusetts and Wikimedia Commons share 1 reportProspect Hill and Wikimedia Commons share 1 reportMassachusetts and Prospect Hill share 1 reportHarvard Forest and Wikimedia Commons share 1 reportPetershamHarvard ForestHarvard Forest - 1 shared report (place)Massachuset…Massachusetts - 1 shared report (place)Prospect HillProspect Hill - 1 shared report (place)Wikimedia C…Wikimedia Commons - 1 shared report (person)

The stories

In 1991, Harvard Forest buried heating cables 10 cm deep to warm Massachusetts soil by 5°C; after 26 years, warmed plots had lost 17% of carbon stored in the top 60 cm 2. redundancy

1 outlets1 report names Petersham2 Sept

People they appear with

Wikimedia Commons1

Places in the same coverage

Harvard Forest1Massachusetts1Prospect Hill1

Who keeps naming them

indiatimes.com1

One email a week

The stories everytrace watched stay alive - how many independent outlets carried each one, and how long it lasted. No daily digest, no breaking-news alerts.