March 31, 1999

Listener Initiative

Our listeners are invited to share their seasonal celebrations on our new toll-free number, 1-877-PULSE99.

March 30, 1999

Natural Radio: Chorus

Naturally occuring radio waves provide a way to listen to solar flares.

March 29, 1999

NATURAL RADIO- Aurora Borealis

The science and folklore of the Aurora.

March 26, 1999


A newly discovered primate species highlights biodiversity in the Amazonian rainforest.

March 25, 1999

Noruz: Azerjaiban music

Traditional music from the fire worshiping festival of Noruz points to the holiday’s Persian roots.

March 24, 1999

Noruz: Customs

Noruz means “new day” and it’s celebrated with new clothes, gift-giving and bonfires.

March 23, 1999

Noruz: Triumph of Tradition

Although the government of Iran tried to suppress it, the venerable holiday of Noruz continues to be one of that nation’s most popular celebrations.

March 22, 1999


The first day of spring marks the start of an ancient holiday.

March 19, 1999

MONARCHS- Milkweed

The Monarch butterfly’s life cycle depends on a plant that’s highly toxic to many animals.

March 18, 1999

MONARCHS- Migration

This month marks the start of the Monarch butterflies’ migration to Mexico.

March 17, 1999

MONARCHS- Folklore

Among many native American groups, the butterfly is considered a symbol of the sacred and the unknown.

March 16, 1999


The threat of logging looms over the wintering sites of Monarch butterflies.

March 15, 1999

Monarch Butterfly Migration

How do young Monarch butterflies find their way to their winter migration sites in the Mexican forest?

March 12, 1999

ASTROBIOLOGY-Extreme Environments

The organisms which survive in Antarctic climes may provide clues in NASA’s search for extra-terrestrial life.

March 11, 1999


Jupiter’s moon Europa may be home to one of the few bodies of liquid water in our solar system.

March 10, 1999


Here on Earth, water is the elixir of life.

March 9, 1999

ASTROBIOLOGY-The View From Earth

What other planets in the galaxy will reveal the signature signs of life?

March 8, 1999


NASA scientists are trying to answer some of mankind’s oldest questions.

March 5, 1999


Pika stay active all winter– but doing what?

March 4, 1999

FEEDERWATCH- Bird Watching

A professional ornithologist describes his lifelong interest in birds.

March 3, 1999


A variety of adaptations keep non-migrating birds warm and well-fed throughout the northeastern winter.

March 2, 1999


Even the common birds which frequent feeders during the winter can be indicators of local environmental change.

March 1, 1999

Natural Radio: Whistlers

Radio waves created by lightning can be heard from halfway around the planet.