May 31, 2012

Science Diaries: Tree Rings Millennia

For meteorological data preceding our own recordkeeping, just ask a tree!

May 30, 2012

Science Diaries: Tree Rings Increment Borer

There are better tools than a chain saw to access a tree’s annual growth rings.

May 29, 2012

Science Diaries: Tree Rings Got rings?

In regions without clearly defined seasons, a tree’s rings are not easily identifiable.

May 28, 2012

Science Diary: Mohonk – Peregrines

Peregrine falcons were endangered by the use of pesticides like DDT. After decades of recovery, Hudson Valley naturalists are hoping the peregrines will return to their former roosting spots.

May 25, 2012

Sibley – Birdwatching 101

As any expert would tell you, the first step to bird watching, is well, finding the birds. Here are some tips.

May 24, 2012

Science Diary: Nestwatch – Retrospective

Spring time is bird time for Joni James, one of the NestWatch program’s citizen scientists.

May 23, 2012

Science Diary: Climate Change – Extinction?

Australia’s white lemuroid possum may be the world’s first mammal to go extinct via global warming.

May 22, 2012

Science Diary: Bat Diversity – Climate Change

A belly full of bugs or pregnant? The answer could have an impact on the population levels of Malaysian bats.

May 21, 2012

Science Diary: Climate Change – Bower Birds

In the cloudforest of Australia, Bowerbirds build elaborate homes for their mates.

May 18, 2012

Science Diary: Climate Change – Reptile Survey

Leaping lizards! Climate change researchers count reptiles in northeastern Australia.

May 17, 2012

Science Diary: Climate Change – DNA

DNA from reptiles and amphibians can help researchers see how they these animals have adapted to past climate change.

May 16, 2012

Madagascar’s RR: Plants Rescue

Madagascar scientists found plants that were a great low-cost solution for stabilizing hillsides.

May 15, 2012

Science Diary: Bat Diversity – Trapping

Science Diarist Tigga Kingston starts her work-night as she heads out into the rain forest to check bat traps.

May 14, 2012

Science Diary: Bat Diversity – Decline

Science Diarist Tigga Kingston heads to the rainforests of Malaysia to learn more about bats threatened by forest loss.

May 11, 2012

Science Diary: Climate Change – Running

In the highlands of Australia, animals trying to escape rising temperatures may soon have no place to go.

May 10, 2012

Tracker – Neverending Question

A good tracker never stops asking questions about their surroundings.

May 9, 2012

Tracker – Subtleties of Tracking

In nature, even the slightest sound can tell a tracker many things.

May 8, 2012

Tracker – Pressure Releases

Every footprint contains an intricate map of the creature who made it.

May 7, 2012

Tracker – Intro

Tom Brown Jr., a master tracker, has dedicated his life to sharing an Apache legacy.

May 4, 2012

Science Diary: Climate Change – Extinction

Small changes in climate can have a large impact on the creatures living in Australia’s Carbine Tableland.

May 3, 2012

Science Diary: Climate Change – Complexity

Unraveling an ecosystem to discover the effects of climate change is challenging work for Science Diarist Steve Williams.

May 2, 2012

Science Diary: Climate Change – Cloud

Could climate change dry out a rain forest?

May 1, 2012

Earth’s Magnetic Field: Reversal

Did you know that the current “North Pole” is really a south pole?