|
Term Papers on Science
Pheromones
Number of words: 481 - Number of pages: 2.... is a basic
difference between perfume and pheromones. Pheromones are produced by the body
and usually do not smell at all pleasant, whereas perfumes are either
synthesized or extracted from natural products and are employed because of their
pleasant smell.
Scientific research suggests that there are human pheromones for both
the male and the female. Females have a better developed sense of smell and
testing indicates that they are more responsive to male pheromones than the
reverse.
Research over the years has found that the male pheromones belong to a
cla .....
|
Asteroid Defense
Number of words: 346 - Number of pages: 2.... after thinking about an anti-asteroid defense system, I think that
our government should look into constructing one. When one thinks about what an
asteroid could do to our planet it is usually a very scary thought. In the past
we have been very lucky with where asteroids have hit our earth. Back in 1908
in the Tunguska region of Siberia, an object from space hit there causing miles
of forest to be devastated. If that same object had hit New York, it would have
probably been like a 20 megaton bomb going off in Times Square. That would have
completely alte .....
|
Aedies Aegypti
Number of words: 933 - Number of pages: 4.... 1993). The female adult is noticed by it’s small dark figure that is colored by
white markings and banded legs. Its proboscis or snout is mostly black with regard to
the white palp tips (Russel 1996). The dorsal pattern of white scales on the scutum is in
the shape of a ‘lyre’ with two central based stripes that contrast with the dark scales
present on the insect (Womack 1993,
Russel 1996). Its wings are dark scaled and femur and hind legs are pale scaled for
about three-quarters, and dark scaled for about two-thirds (Russel 1996).
The first th .....
|
« Start
|
|