November 30, 2015

Wolves and Moose – Mutual Control

On Isle Royale in Lake Superior, wolves and moose lead an interdependent existence.

November 27, 2015

Wolves and Moose – Unexpected Connections

You might not expect the wolf population to effect the number of trees in an ecosystem – but it does.

November 26, 2015

Thanksgiving Day Parade – Balloons

What does it take to handle a four-story high balloon?

November 25, 2015

Thanksgiving Day Parade – Inflation Day

For many New Yorkers, watching the giant parade balloons being filled on the day before Thanksgiving, has become part of their holiday celebration.

November 24, 2015

Diatoms Nanotechnology – Transformation

An innovative way is being developed to create nanomaterials – tiny bits of matter – using microscopic organisms called diatoms.

November 23, 2015

Diatoms Nanotechnology – Shell Game

Diatoms are among the world’s oldest and most ubiquitous creatures, and they may soon be an important part of one of the newest branches of science and technology.

November 20, 2015

Dead Zone – From a Distance

Farming practices in the mid-west have an impact on the environmental conditions in the Gulf of Mexico.

November 19, 2015

Dead Zone – Solutions

Off the coast of Louisiana there’s a region of ocean the size of the state of New Jersey that’s virtually devoid of life.

November 18, 2015

Dead Zone – Causes

Off the coast of Louisiana there’s about 6000 square miles of ocean that’re virtually devoid of life.

November 17, 2015

Statistics – Unsung Heroes

Statisticians compile the hard evidence that forms the backbone of much scientific research.

November 16, 2015

Statistics – Surprises

What are the factors that will cause a family to accept a new technology or not?

November 13, 2015

Statistics – Behind the Numbers

Should hand pumps be installed in remote villages in Africa? That’s the kind of question statisticians are called upon to answer.

November 12, 2015

Diwali – Goddess of Good Fortune

The Hindu goddess of good fortune is worshipped during a ceremony of light and chanting, for blessings of spiritual wealth and enlightenment.

November 11, 2015

Diwali – Bathing the Gods

Divine statues are bathed with milk, honey, and other symbolic offerings during the Hindu celebration of Diwali.

November 10, 2015


Diwali is a luminous celebration of enlightenment.

November 9, 2015

Bats – Ears

A bat can change the shape of its ear in about one-tenth of a second!

November 6, 2015

Bats – The Nose Knows

Many bats emit sounds through a “nose-leaf”, which is like a little megaphone that surrounds the nostrils.

November 5, 2015

Bats – Unanswered Questions

The bat’s brand of sonar is much more sophisticated than ours.

November 4, 2015

Bats – Cave Research

Smell the guano, site the bat trajectories with infared light, it’s all in a day’s work deep inside a bat cave in China.

November 3, 2015

Bats – No Jams

With a cave full of bats all flying and echolocating at the same time, how come they don’t get in each other’s way?

November 2, 2015


When humans walk on the sidewalks of New York without bumping into each other, that could be interpreted as a type of swarming.