Expert insights and detailed technical documentation about science.
Score: 4.9/5 (52 votes) The term grunge was first used to describe the murky-guitar bands (most notably Nirvana and Pearl Jam) that emerged from Seattle in the late 1980s as a bridge between mainstream 1980s heavy metal–hard rock and postpunk alternative rock.What killed grunge?April 5 is the day th...
Score: 5/5 (74 votes) The Fifth Amendment of the Constitution protects a person from being compelled to incriminate oneself. Self-incrimination may also be referred to as self-crimination or self-inculpation.Can you refuse to testify against yourself?The Fifth Amendment of the United States Constitu...
Score: 4.3/5 (70 votes) Some celebrities could be considered role models or heroes, others should not. However, nobody should be considered a role model simply because they are a celebrity. Instead, celebrities should be judged based on what they are famous for, as well as how they present themselve...
Score: 4.8/5 (4 votes) Epidural is one of the most effective methods for pain relief during delivery and childbirth, and it has minimal side effects on both mom and baby. It works quickly and can begin to relieve pain within 10 to 20 minutes . Most women who have an epidural feel little or no pain d...
Score: 4.8/5 (18 votes) Yonex rackets are the choice of tennis players because of their variability, their ability to spin and the allowance for high control. Moreover, these rackets are affordable in terms of their pricing, and their isometric head shape helps to increase sweet spot, which ultimate...
Score: 5/5 (38 votes) Sticklebacks normally breed between late March and early August. During these months there is plenty of food around for the young fish. In the early spring, the male stickleback undergoes quite a dramatic transformation.How do stickleback fish reproduce?After building a nest of...
Score: 4.5/5 (29 votes) An Observed Holiday is when a public holiday is celebrated which might not be the actual event's anniversary date. For example, if July 4th (Independence Day) falls on a Saturday, it is "observed" on the Friday before as a holiday (and is usually a day off work).Why do w...
Score: 4.5/5 (5 votes) Wētā have been around long enough to see dinosaurs come and go and to evolve into more than 100 different species, all of them endemic to New Zealand.What countries have Wetas?These wingless orthopteran insects are well represented in New Zealand and are found in the forest an...
Score: 4.4/5 (9 votes) Speciation increases biodiversity. Biodiversity is the number of different species that live in an ecosystem. Since speciation creates new species,...How does speciation affect biodiversity?Speciation is the ultimate source of new species, in the same way that mutation is the ...
Score: 4.2/5 (23 votes) Scalars are quantities that are fully described by a magnitude (or numerical value) alone. Vectors are quantities that are fully described by both a magnitude and a direction.Is vector a quantity?vector, in physics, a quantity that has both magnitude and direction. ... For ex...
