Obesity and Genetics
Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, talks about the role of genetics in obesity. Dr. Hamer explains that, while the direct cause of obesity is eating too much,..
Observation Sentences
Philosopher W.V. Quine explains observation sentences, noting that they are also occasion sentences. By this he means they are sentences which may be true now, but false a little later. As an example, he offers the sente..
Obtaining a Bank Loan
This clip looks at the challenges involved in securing a bank loan. It also touches on the role of the Small Business Administration in giving banks an incentive to make longer term loans, with less collateral and less o..
Occupational Safety and Health Administration, The
This clip examines the Occupational Safety and Health Administration (OSHA). The clip notes that this is the government agency that regulates safety in the workplace, including the design and layout of the physical plant..
Occupational Safety and Health: Industrial Hygiene
The job of the industrial hygienist is to monitor employee health and safety, devising preventive measures to keep workers from being exposed to chemical, physical, and biological hazards.
Occupational Safety and Health: OSHA
The Occupational Safety and Health Act of 1970 gave each state the tools to enforce a code of safety in all workplaces. Employers must report accidents to OSHA and employees can make a complaint against an employer, anon..
Occupational Safety and Health: Worker Safety in the Mining Industry
Nowhere are workplace hazards more evident than in the mining industry. The use of dynamite in the early days of mining and into the early 1900s made for extremely hazardous conditions. Technology introduced in the mid-1..
Occupational Safety and Health: Worker Safety in the Space and Science Industries
Propelled by the Cold War, research and testing of rocket motors and fuels flourished in the mid 1900s, exposing workers to the acute effects of toxic chemicals and the as yet unknown chronic and long term effects. Aroun..
Occupational Safety and Health: Worker Safety: Looking Back
Although concern for worker safety was expressed as far back as Hypocrites, it wasn't until 1911, in the wake of the Triangle Shirt Factory fire, that the first worker compensation laws were enacted.
Oceanic Crust vs. Continental Crust
Geophysicist and geologist Tanya Atwater discusses the differences between continental and oceanic crust. Continental crust tends to be much thicker and would be thicker still were it not for the forces of gravity and er..