biology

  1. Cosmos

    Is the Modern Toilet Affecting Your Health?

    The introduction of the modern flush toilet has rasised the level of convenience and luxury for much of the world. Howver, humans were designed to squat when "going number two." Modern toilets modify our anatomical squatting posture to that of a sit, and this modififed posture may be affecting...
  2. Anomaly

    The Phantom DNA Effect

    On April 25, 1953, Francis Crick and James Watson published the "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid." This was the first paper to introduce the double helix structure of DNA. As Carl Sagan would say, DNA is the "language of life" and this complex...
  3. Cosmos

    Jack Kevorkian and the Assisted Suicide Debate

    On April 16, 1990, "Doctor Death" Jack Kevorkian began his campaign of assisted suicide, sparking an ethical debate over the practice of physician-assisted suicide and a terminal patient's right to die. Dr. Kevorkian claimed to have assisted in over 130 patient suicides, where he famously stated...
  4. A Measure of Wheat

    Documenting the Dreams of the Dying

    Just a few weeks before my grandmother died, I was sitting in the living room with her and a neighbor that had come over her house to visit. Although I didn't know she had cancer at this time, you could just tell something was very wrong with her. During the conversation, she kept talking about...
  5. The Archetype

    Octopus Hunts Crab on Land

    For those of you who think octopuses spend their life exclusively deep in the ocean, you're in for a big surprise. During a trip to Yallingup, Western Australia, a crab was being recorded on video. Suddenly, an octopus jumped out of the water, grabbed the crab, and then used its tentacles to...
  6. Anomaly

    The Sad Case of "Typhoid Mary"

    On March 27, 1915, "Typhoid Mary" Mallon was the first person in the United States ever to be identified as an asymptomatic carrier of the pathogen. An immigrant from Ireland, she was employed as a cook for wealthy families throughout New York City. As typhoid fever was associated with poverty...
  7. A Measure of Wheat

    Scientists Film Hummingbirds in a Wind Tunnel

    With a high speed camera, scientists are able to observe, record and simulate the motions and movements of hummingbirds in a variety of conditions--from normal, hot sunny days, to high wind and rain. And it doesn't matter if it's rainy and windy. Since these birds have such a high metabolism...
  8. A Measure of Wheat

    Brain Scientist Shares Her Story About Having a Massive Stroke

    A neuroanatomist talks about the day she suffered a massive stroke. Her experience provides a rare insight into the workings of the brain, particularly because these recollections of the stroke come from an actual brain scientist--an expert who has spent years studying the brain. It's a...
  9. The Archetype

    Will This Machine Replace Anesthesiologists?

    Approved by the FDA in 2013, the Sedasys machine could someday change the way people undergo anesthesia for surgeries. Some anesthesiologists have tried to prevent the machine from being put into use, arguing that anesthesiology is too complex a science to be handled by a machine. However...