Ned Friedman addresses the Passion for Knowledge festival (video)

by Jon Hetman, Director of External Relations & Communications
October 4, 2019

Ned Friedman addresses the Passion for Knowledge festival (video)

Ned Friedman at P4K

William (Ned) Friedman, Director of the Arnold Arboretum and Arnold Professor of Organismic and Evolutionary Biology at Harvard University, is among the featured guests and plenary lecturers at The Passion for Knowledge (P4K) festival in San Sebastián, Spain. Professor Friedman delivered a lecture entitled “Who dicovered evolution” at the collective celebration of learning and curiosity, […]

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Engaging people with plants – PPP2019

by Alun Salt
September 5, 2019

Insects prefer yellow

by William (Ned) Friedman, Director of the Arnold Arboretum
June 11, 2018

Insects prefer yellow

DirectorsBlog_flowercolorchange_FEATURED

Every spring and summer, I keep an eye out for species whose flowers regularly change color, typically from yellow to red. This is especially evident among the buckeyes and horse-chestnuts (Aesculus) where just-opened flowers will have prominent splotches of yellow (to attract insect pollinators) that change to red (upper image; Aesculus turbinata, Japanese horsechestnut; 219-35*A) over the […]

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In Conversation With Hope Jahren

by Meghana Srinivasan
November 8, 2017

Cutting Edge Research in the Living Collections

by Jon Hetman, Director of External Relations & Communications
October 3, 2017

Cutting Edge Research in the Living Collections

The Arnold Arboretum’s Living Collections are a world-wide resource for investigations across the spectrum of botanical, environmental and horticultural sciences. The opening of state-of-the-art research facilities at Weld Hill in 2011 greatly expanded the Arboretum’s capacity for conducting and promoting research by Harvard faculty, Arboretum associates, and guest researchers from around the world. Merit-based awards and fellowships help undergraduates, […]

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Science IRL Features Arboretum Scientists on Butterfly Behavior and Plant Evolution

by Jon Hetman, Director of External Relations & Communications
October 19, 2016

Science IRL Features Arboretum Scientists on Butterfly Behavior and Plant Evolution

scienceirl_hopkinslab

How can butterfly behavior influence plant evolution? On the latest episode of Science IRL, Arnold Arboretum scientists Robin Hopkins and Heather Briggs take us through their research investigating this question. Watch the episode to get an inside look at their research into the effects of pipevine swallowtail behavior on the evolution of flower color in […]

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Lucretius at the Arnold Arboretum

by William (Ned) Friedman, Director of the Arnold Arboretum
August 20, 2016

Lucretius at the Arnold Arboretum

Lucretius_DirectorsBlog52

In the beginning earth gave birth to plants After their kind, and ringed with shining green The hill and plains. The flowering meadows shone With verdure. Then between the various trees A mighty race began, all galloping To be the first to shoot up into the sky.*   Yesterday, standing at the base of a […]

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Darwin by Post

by Larissa Glasser, Library Assistant
May 30, 2016

Flowering vegetation in the North Meadow with willows and Dawn Redwood, 1970

by Larissa Glasser, Library Assistant
February 11, 2016

Flowering vegetation in the North Meadow with willows and Dawn Redwood, 1970

Dawn Redwood, 1970

North Meadow, spring, willows, Dawn Redwood, 1970 Alternate Title: Flowering vegetation in the North Meadow with willows (Salix) and Dawn Redwood (Metasequoia glyptostroboides) in the background Photograph by Pamela Bruns (American) North Meadow, Arnold Arboretum, Jamaica Plain, Massachusetts, United States 1970 A larger version of this image is available in Harvard University’s HOLLIS+ catalog. The […]

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The swimming of the Ginkgo sperm

by William (Ned) Friedman, Director of the Arnold Arboretum
September 11, 2015

The swimming of the Ginkgo sperm

GinkoSperm_DirectorsBlog6

It is happening right now at the Arnold Arboretum – this very week. One of the most bizarre mating rituals imaginable is playing out on our female (seed-bearing) ginkgo trees. Inside the beautiful inch-in-diameter seeds, pairs of huge sperm are being produced by the pollen tubes that grew out of the pollen grains released by […]

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