Eric Jaffe

All Stories by Eric Jaffe

  1. Ecosystems

    Brave Old World

    If one group of conservation biologists has its way, lions, cheetahs, elephants, and other animals that went extinct in the western United States up to 13,000 years ago might be coming home.

  2. Humans

    Good Gone Wild

    New research shows that the ecotourism model of raising conservation awareness while protecting indigenous cultures doesn't always work out as planned.

  3. Tech

    Start your engines

    Mechanical engineers have developed a system that greatly decreases the amount of toxic hydrocarbons a car releases.

  4. Tech

    Size Matters: Biosensors behave oddly when very small

    There might be a limit to how small physicists should build tiny sensors that detect viruses and molecules.

  5. Paleontology

    Frozen rainforest

    Fossils trapped in amber provide evidence that the Amazonian rainforest dates back 10 to 15 million years.

  6. Anthropology

    Mental Leap

    As scientists discover traits shared by human and ape ancestors millions of years ago, they try to fill in the gaps of human evolution.

  7. Astronomy

    Enlightened: Dark matter spotted after cosmic crash

    In the aftermath of a cosmic crash between two galaxies, researchers say they've detected invisible dark matter for the first time.

  8. Placebo predictions

    Giving patients placebo pills for a week before they begin to participate in trials of antidepressants can help clinicians gauge how well they will respond to the actual medication.

  9. Health & Medicine

    Fewer Drugs, Same Outcome: Simpler HIV regimens are effective

    In two studies, AIDS clinicians found that standard three-drug regimens fight HIV as well as four-drug treatments do, and that a single drug might maintain a patient's health once the virus is suppressed.

  10. Health & Medicine

    Total Recall: Drug shows long-lasting boosts of memory in rats

    Research in rats shows that an experimental drug completely regenerates parts of the brain crucial to forming memories.

  11. Humans

    Racial IQ Gap Narrows: Blacks gain 4 to 7 points on whites

    African Americans reduced the racial gap on IQ-test scores by about one-third between 1972 and 2002.

  12. Health & Medicine

    Side Effect Revealed: Heart risk found in leukemia drug

    The remarkably successful cancer drug imatinib might cause heart failure in some patients.