« previous next »
« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Current Positions of Known Dwarf Planets and SSSBs in the Outer Solar System Current Positions of Known Dwarf Planets and SSSBs in the Outer Solar System
A propaganda poster enshrining Stalin proclaims that he has led his people “Forward to ... A propaganda poster enshrining Stalin proclaims that he has led his people “Forward to ...
The transition between steps usually occurs at a temperature that would not interfere with cold ... The transition between steps usually occurs at a temperature that would not interfere with cold ...
Change in air temperature at various air flow rates for a 4 pass operation Change in air temperature at various air flow rates for a 4 pass operation
Current Geopolitics and Civil Liberties Current Geopolitics and Civil Liberties
A current-carrying wire is placed in a uniform magnetic field, as shown below. A current-carrying wire is placed in a uniform magnetic field, as shown below.
Video: Evolutionary tree of life Animation

For a complete list of videos, visit our video library