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      The Science of Cancer

      The past few years have seen tremendous strides in our understanding of cancer, including new hypotheses about its genetic origins and new treatment alternatives using the body’s own immune response.
      The Science of Cancer
      August 1, 1984The Sciences

      Fiber Optics in Plants

      The tissues of plant seedlings can guide light through distances as great as several centimeters. The cells of a plant may thus exploit "light pipes" to coordinate aspects of their physiology...
      August 6, 2013The Sciences

      Growing the Future of Meat

      Yesterday somebody ate a $375,000 hamburger and we were promised a future of cruelty-free meat grown in a petri dish rather than in an animal.
      July 15, 2014The Sciences

      The Case for Inheritance of Epigenetic Changes in Chromosomes

      Harmful chemicals, stress and other influences can permanently alter which genes are turned on without changing any of the genes' code. Now, it appears, some of these “epigenetic” changes are passed down to—and may cause disease in— future generations...
      December 1, 2015Medicine

      New Nerve Drugs May Finally Prevent Migraine Headaches

      The cause of migraine headaches has eluded scientists for centuries. Now a theory blaming one nerve has led to drugs that prevent attacks
      December 1, 1958The Sciences

      Feedback in the Differentiation of Cells

      What makes the unspecialized cells of an embryo differentiate to specialized cells? One view is that the products of the chemical activity of the organism are fed back to control its development...
      April 1, 2004The Sciences

      Brief Points: April 2004

      June 4, 1898The Sciences

      Chemistry of Plant Colors

      March 1, 2002The Sciences

      Brief Bits: March 2002

      October 12, 1895The Sciences

      An Oak Seedling

      August 1, 1989Health

      The Middle-Ear Muscles

      Tiny muscles behind the eardrum contract involuntarily when a person vocalizes or is exposed to a loud noise. This neuromuscular control system prevents sensory overload and enhances sound discrimination...
      June 1, 2004Health

      Spare Parts for Vital Organs

      Engineers are creating artificial replacements for failing hearts, kidneys, pancreases and livers
      February 21, 2013Evolution

      ENCODE, Apple Maps and function: Why definitions matter

      Remember that news-making ENCODE study with its claims that “80% of the genome is functional”? Remember how those claims were the starting point for a public relations disaster which pronounced (for the umpteenth time) the "death of junk DNA"?...
      March 1, 2011Mind

      Ruled by the Body: How Physical Illness Affects the Brain

      Many common ailments and physical conditions can influence the brain, leaving you depressed, anxious or slow-witted
      September 1, 1995Health


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