What is a controlled experiment in science?

A controlled experiment is a scientific test that is directly manipulated by a scientist, in order to test a single variable at a time. The variable being tested is the independent variable, and is adjusted to see the effects on the system being studied. A controlled experiment is simply an experiment in which all factors … Read more

How many years did the Menendez brothers get in jail?

The brothers were eventually convicted of first-degree murder and sentenced to life in prison. For more than 27 years, Erik and Lyle Menendez have been locked away — but they haven’t escaped the public eye. The defense argued the brothers‘ acted in self-defense after years enduring their parents’ abuse. Their first trials ended in mistrials, … Read more

What did the Wintu tribe wear?

Wintu men didn’t usually wear clothes, though they sometimes did wear short deerskin kilts. Wintu women wore long grass skirts decorated with shells and beads. Shirts were not necessary in the Wintu culture, but both men and women wore ponchos or deerskin robes in cool or rainy weather. Historically, the Wintu lived primarily on the … Read more

How does a blood test detect typhoid?

A diagnosis of typhoid fever can usually be confirmed by analysing samples of blood, poo (stools) or pee (urine). These will be examined under a microscope for the Salmonella typhi bacteria that cause the condition. Testing a sample of bone marrow is a more accurate way of diagnosing typhoid fever. Specific serologic tests The Widal … Read more

Where was the night watch painted?

It is a group portrait of a militia company. These were groups of able-bodied men who, if the need arose, could be called upon to defend the city or put down riots. The painting depicts the company of Captain Frans Banning Cocq and his lieutenant, Willem van Ruytenburgh, surrounded by sixteen of their men. It … Read more

Does red grapefruit juice help you lose weight?

Grapefruit can be part of a healthy weight loss diet because it’s nutritious, not because of any mysterious fat-burning properties. A half grapefruit or a glass of grapefruit juice before meals may help fill you up, so you’ll eat fewer calories at meals and potentially lose weight. On average, participants who ate half a grapefruit … Read more

Are the Menendez brothers in jail?

They remained in separate prisons until February 2018 when Lyle was moved from Mule Creek State Prison in Northern California to the Richard J. Donovan Correctional Facility in San Diego County, but were housed in separate units until April 4, 2018 when Lyle was moved to the same housing unit as Erik, reuniting them On … Read more

How do you make a large pond filter?

To build a pond filter system, purchase a resealable, lidded garbage bin, a rubber hose, and a water pump. Then, position the bin and pump relatively close to where they will be in the pond, and cut a hole in the lid of that bin that’s just large enough for the rubber hose to fit … Read more

What is a Flash Flood vs Flood?

Definitions of Flood and Flash Flood Flash Floods. Flash floods are defined as those flood events where the rise in water is either during or within a few hours of the rainfall that produces the rise. Therefore, flash floods occur within small catchments, where the response time of the drainage basin is short. Secondly, how … Read more