All Site Posts

Hollywood Nights Read

Natural History Magazine

The embarrassing lack of attention to scientific detail in Hollywood movies makes for some laughable reflections.

On Being Baffled Read

Natural History Magazine

When scientists are confused or uncertain, contrary to what the media would have you believe, this is a normal, natural state of mind for the researcher

The Leonard Lopate Show: Survival Kit Listen


If you were stranded on a desert island, what ten things do you want with you?

The Five Points of Lagrange Read

Natural History Magazine

In a system of two objects in mutual orbit, five points in space exist, in orbit with them, where all forces cancel. These spots make great places to erect space colonies and to otherwise collect and assemble space hardware.

Is the Universe Full of Life? Watch

Closer To Truth

Host Robert L. Kuhn leads a discussion about life in the universe and the consequences of discovering life elsewhere in the universe.

Colors of the Cosmos Read

Natural History Magazine

The universe comes in many colors. Not all of them visible to the human eye.

Manhattan Sunset Look

Sunset on Manhattanhenge

Comments on Manhattanhenge, when the sun aligns with New York's street grid.

Sunset on the World Trade Center Look

Sunset on the World Trade Center

Reflections on the World Trade Center.

City of Stars Look

City of Stars

A special issue of Natural History magazine dedicated to astronomical phenomena in the City of New York.

The Worst of Times, The Best of Times Read

Follow-up correspondence to family and friends giving an update on the family's psychological state and the living conditions in Lower Manhattan.