African Americans are the Descendants of Alien Abductees

Dery identified the parallels in "Black to the Future" as 'African Americans are, in a very real sense, the descendanmt of alien abductees," Dery writes. He compares the atrocities of racism experienced by blacks in the United States to "a sci-fi nightmare in which unseen but no less impassable force fields intolerance frustrate their movement; official histories undo what has been done; and technology is too often brought to bear on black bodies (branding, forced sterilization, the Tuskegee ...

 Autism as a Self-Fulfilling Prophecy

Diseases and other medical conditions can also have this self-fulfilling property. When medical conditions are widely discussed in the media, people are more likely to identify their symptoms, and doctors are more likely to diagnose (or misdiagnose) them. The best-known case of this in recent years is autism. If you compare the number of children who are diagnosed as autistic64 to the frequency with which the term autism has been used in American newspapers,65 you’ll find that there is an a...

 Herschel Compares Scientific Discovery to Columbus' Explo...

Herschel prophetically implied that electricity and electro-magnetism still hid many secrets, and that their investigation would become the leading science of the new age. This would indeed be Faraday’s coming field of triumph. He summarised (paragraph no. 376) this pursuit in the image of a great and noble sea voyage of exploration. ‘There is something in this which reminds us of the obstinate adherence of Columbus to his notion of the necessary existence of the New World; and the whole ...

 Convergent Evolution in Mammals and Marsupials

The most famous example of different species filling similar roles involves the marsupial mammals, now found mainly in Australia (the Virginia opossum is a familiar exception), and placental mammals, which predominate elsewhere in the world. The two groups show important anatomical differences, most notably in their reproductive systems (almost all marsupials have pouches and give birth to very undeveloped young, while placentals have placentas that enable young to be born at a more advanced ...