Category: Richard Primack

Study: Walden Pond’s leaf-out times earlier than in Thoreau’s day

Concord Journal Richard Primack, College of Arts & Sciences Climate-change studies by Boston University biologists show leaf-out times of trees and shrubs at Walden Pond are an average of 18 days earlier than when Henry David Thoreau made his observations there in the 1850s… Expert quote: “By comparing historical observations with current experiments, we see […]

Thoreau’s notes hint: In war of woods, New England trees may lose

Boston.com “The Green Blog” Richard Primack, College of Arts & Sciences Buried in rows and columns of meticulous notations of 160 years ago, clues left by Henry David Thoreau point to a war of woods in the changing climate that may leave New England forests looking far different than today… Expert quote: “The forests will […]

Thoreau’s Walden Pond warms up

Eco-Business Richard Primack, College of Arts & Sciences Walden, where Henry David Thoreau planted beans on land that had yielded only cinquefoil, blackberries, johnswort and sweet wild fruits, is changing… Expert quote: “We see that climate change is creating a whole new risk for native plants in Concord. Weather in New England is unpredictable, and if plants […]

Trees at Walden Pond putting out leaves earlier with climate change

United Press International Richard Primack, College of Arts & Sciences Trees at Walden Pond are leafing almost 18 days earlier than when Henry David Thoreau made observations at the Massachusetts lake in the 1850s, a study found… Expert quote: “By comparing historical observations with current experiments, we see that climate change is creating a whole new risk […]

Thoreau’s Walden is leafing out weeks earlier

Futurity News Richard Primack, College of Arts & Sciences The leaf-out times of trees and shrubs at Walden Pond are an average of 18 days earlier than when Henry David Thoreau made his observations there in the 1850s, a new climate study shows… Expert quote: “By comparing historical observations with current experiments, we see that […]

BU professor adapting biology textbook for other countries

Boston Globe (subscription required) Richard Primack, College of Arts & Sciences English is the international language of science. Its near-universal use to communicate and disseminate new findings and results has arguably had real benefits, allowing people to gain access to the world’s scientific knowledge by learning a single language… View full article

Waiting in the wings

The Scientist Richard Primack, College of Arts & Sciences Throughout the 19th and most of the 20th centuries, butterfly collectors in the United Kingdom descended each spring upon fens, forests, and grasslands where prized insects thrived… Expert quote: “This is something that there’s been a lot of speculation about—how climate change is affecting food webs. […]

Oldest Known Fruit Tree In U.S. Still Bears Pears After Nearly 400 Years

Huffington Post Richard Primack, College of Arts & Sciences A celebrated pear tree in Danvers, Mass. still bears fruit at the ripe old age of 383, more or less — and biologists find its remarkable longevity a bit baffling… Expert quote: “Generally, fruit trees don’t last very long, so it’s unusual. It is in relatively […]