12
Nov

Follow Us on Facebook!

We're trying to build our Facebook network. If you're reading this and you're on Facebook, please click here to follow us on Facebook. Thanks!  

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02
Oct

Winter 2016 — Three Cruises Between Florida and California via the Panama Canal

Chase away the winter chill and join me one one of these Road Scholar cruises between Florida and California via the Panama Canal. Jan 3 – Jan…

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02
Oct

Fall 2015 — Cruises from Florida to the Amazon and to California via Panama Canal

Join me on two outstanding Road Scholar cruises this fall from Florida to San Diego via the Panama Canal, and from Florida through the Carribean to…

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05
Oct

Winter 2015 – Cruises to the West Indies, Brazil, Colombia, Panama and Mexico

  Join me on trips to the West Indies, through the Panama Canal, and to Colombia, Brazil and Mexico this fall and winter for Road Scholar. Scroll…

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23
Dec

Final Walden Biodiversity Report

My final summary report on the groupings of organisms and the people who found them during Walden Biodiversity Days in 2009 and 1998 is finished and…

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25
Nov

Berry Bad Guests: Invasive Aliens at the Dinner Table

In the run-up to Thanksgiving this week Shannon Mullen of National Public Radio interviewed me and Martha Stewart about Oriental Bittersweet, one of the most aggressively…

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22
Sep

The Results are In

My thanks go out to many people for helping make Walden Biodiversity Day II in July a success. Our report and checklists are complete and now…

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31
Aug

Biodiversity Day Photo Gallery

Since Biodiversity Day in July I've been working on a combined species list for the 1998 and 2009 events, and beginning to assemble an online gallery…

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07
Jul

Trolling for Leeches

Sometimes you've got to roll up your sleeves - or pants leg - to get the job done, as I was doing to identify leeches in…

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21
Jun

Spreading the Word

Here's a clip of my recent appearance on WCVB-TV's Chronicle, once again trying to spread the word about the problem of invasive alien species. When I…

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