Search Results for: mutations

2,461 results for: mutations

1. 

   Anthropology

   Evolution’s Mystery Woman

   A heated debate has broken out among anthropologists over whether a highly publicized partial skeleton initially attributed to a new, tiny species of human cousins actually comes from a pygmy Homo sapiens with a developmental disorder.

   By Bruce BowerNovember 13, 2006

2. 

   Humans

   Science News of the Year 2006

   A review of important scientific achievements reported in Science News during the year 2006.

   By Science NewsDecember 20, 2006

3. 

   Evolutionary Shocker?

   A specific protein may help plants and animals store genetic variation and release it at times of stress.

   By John TravisJune 17, 2002

4. 

   Health & Medicine

   Viral Survivor

   Epstein-Barr virus, the cause of diseases ranging from mononucleosis to several kinds of cancer, has begun to reveal how it enters human cells and protects itself from the immune system.

   By John TravisJuly 30, 2002

5. 

   Health & Medicine

   Targeted Therapies

   Tailoring prescriptions based on a person's genes may help reduce side effects and allow the development of more personalized medicine.

   By Damaris ChristensenSeptember 10, 2002

6. 

   Evolutionary Upstarts

   Theories of the evolution of the human mind are evolving, with some researchers now presenting alternatives to the dominant notion that genetic competition for survival during the Stone Age yielded brains stocked with a bevy of instincts for specific types of thinking.

   By Bruce BowerSeptember 17, 2002

7. 

   Get Rid of the Bodies

   Scientists are learning how organisms safely clear out cell corpses.

   By John TravisSeptember 23, 2002

8. 

   Sizing Up the Brain

   Genetic mutations that produce small brains provide insight into the formation and evolution of the human brain.

   By John TravisNovember 12, 2002

9. 

   Science News of the Year 2002

   A review of important scientific achievements reported in Science News during the year 2002.

   By Science NewsDecember 17, 2002

10. 

    Science News of the Year 2002

    A review of important scientific achievements reported in Science News during the year 2002.

    By Science NewsDecember 17, 2002

11. 

    Tech

    Gene Screen: Ultrasensitive nanowires catch mutations

    Researchers have devised a nanowire sensor that binds to DNA molecules and produces an electrical signal almost instantaneously.

    By Alexandra GohoDecember 23, 2003

12. 

    Brain gene is tied to obesity

    A gene involved in brain chemistry influences whether a person is thin or fat.

    By John TravisJanuary 7, 2004