February 29, 2000


Not only do chimpanzees use gestures to communicate, but there are gestural dialects between communities.

February 28, 2000


Scientists studying chimpanzees think their behavior could offer insight into how we humans communicated in the past.

February 25, 2000


By carefully observing chimpanzee gestures, vocalizations and other behavior, scientists have begun to decipher chimp communication.

February 24, 2000


For the young Xavante men of Central Brazil, staying up all night singing and dancing is a sign of virility.

February 23, 2000


The Xavante people of Central Brazil greet the dawn with song.

February 22, 2000


One of the most important rituals for the Xavante of Central Brazil is a log race, but it’s pure competition without a winner or loser.

February 21, 2000


For the Xavante of Central Brazil, their deepest emotions are often expressed in a kind of wailing.

February 18, 2000

XAVANTE-Dreaming Songs

Through a jaguar-bone ear plug, Xavante men say they receive inspiration for their music.

February 17, 2000


By going back over thirty years of seismic data, scientists discovered that the earth’s inner core is rotating at a slightly faster speed than the surface of the earth

February 16, 2000

EARTHQUAKES-Churning Earth

Recently geologists have started using seismic waves, generated by earthquakes, to create images of the movement taking place deep inside the earth.

February 15, 2000


When a large earthquake hits, the entire earth can vibrate for weeks.

February 14, 2000

Earthquakes: Mapping the Earth’s Interior

Powerful earthquakes are helping scientists to map the earth’s most profound depths.

February 11, 2000

NILE CROCODILE: Temperature Dependent Sex Determination

Believe it or not, the sex of baby crocodiles is determined by the temperature of the eggs in the nest.

February 10, 2000

NILE CROCODILE: February Hatching

This month, in northeastern South Africa, the region’s Nile Crocodiles are hatching their young.

February 9, 2000

ECUADOR-Cloud Forest

In times of drought, cloudforests, which support the same incredible diversity as rainforests, thrive almost entirely on thick blankets of fog.

February 8, 2000

HARIKUYO-Respect for Life

Harikuyo, a memorial service for the broken sewing needles of the past year, is a rite of respect and thanksgiving in Japan.

February 7, 2000

Wind Sled

For some Northern Wisconsin residents, the only option to being stranded on an icy island for a few weeks every year is taking a bumpy ride on a 17-year-old wind sled.

February 4, 2000

Chinese New Year in Malaysia

In Malaysia, the Chinese New Year celebration is a time for dressing in new clothes, giving gifts to family members and acting on one’s very best behavior.

February 3, 2000

Redback Spiders-Vibrations

For Redback spiders, the web is an extended sensory organ.

February 2, 2000

Redback Spiders: Mating Sacrifice

For Male Redback spiders, wooing a female means courting death.

February 1, 2000

Redback Spiders-Sexual Cannibalism

For the female Redback spider, the key to successful mating is simple: find a male spider, mate, and then eat him!