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Features

Reaching for the Stars

By Stephanie D. Leifer

Light Sails

By Henry M. Harris

Highways of Light

By Leik N. Myrabo

High Blood Pressure and the Slave Trade

Compact Nuclear Rockets

By James R. Powell

Air-Breathing Engines

By Charles R. McClinton

The Puzzle of Hypertension in African-Americans

Genes are often invoked to account for why high blood pressure is so common among African-Americans. Yet the rates are low in Africans. This discrepancy demonstrates how genes and the environment interact

By Richard S. Cooper, Charles N. Rotimi and Ryk Ward

Supersoft X-ray Stars and Supernovae

Several years ago astronomers came across a new type of star that spews out unusually low energy x-rays. These so-called supersoft sources are now thought to be white dwarf stars that cannibalize their stellar companions and then, in many cases, explode

By Peter Kahabka, Edward P. J. van den Heuvel and Saul A. Rappaport

A Multifractal Walk down Wall Street

The geometry that describes the shape of coastlines and the patterns of galaxies also elucidates how stock prices soar and plummet

By Benoit B. Mandelbrot

Departments

  • Space Tethers

  • The Way to Go in Space

  • Not Cleaning Up

  • Cichlids of the Rift Lakes

  • How Limbs Develop

  • From the Editor

    Worm Gets the Early Bird

  • Letters

    Letters

  • Erratum

  • Recommended

    Reviews: The Narrative of Numbers

  • Reviews: The Narrative of Numbers

  • Anti Gravity

    This is only a Test

  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: Research Money, Panama Canal, and New Whaling Ground

  • Wonders

    Noah's Flood?

  • Profile

    Bones to Pick

  • Mathematical Recreation

    Origami Tessellations

  • Amateur Scientist

    Tackling the Triple Point

  • Science and the Citizen

    Taming Maxwell's Demon

  • Attack of the Fire Ants

  • By the Numbers

    Tranquility, Turmoil and Chaos for International Business

  • Working Knowledge

    Working Knowledge on Giant Crawler Cranes

  • Cyber View

    Private Parts

  • Technology and Business

    A Laser in Tune With Itself

  • Breath of Fresh Liquid

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February 1999

Reanimate Your Brain

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