Category: Blog

Where did Nicolaus Copernicus make his discovery? In 1504, Copernicus began the research that culminated in his heliocentric theory. He had already returned to Poland, taking a position at the Collegiate Church of the Holy Cross in Breslau, Silesia (now Wroclaw, Poland). In 1512, Copernicus became canon in the Ermland Chapter at Frauenburg (now Frombork, […]

What is the difference between a wet pipe & dry pipe sprinkler system? Dry Pipe Sprinkler Systems. In a wet system, the pipes are filled with pressurized water. When a fire occurs, the system immediately discharges water to extinguish the fire. Conversely, dry systems are filled with pressurized nitrogen or air that keeps water at […]

Is the moon completely GREY? We see the moon every night — but you might not know what colour it is. A new video shows how the bright, white colour of the moon that we see is a kind of optical illusion — and that it’s really a much duller, darker grey. The full moon […]

What is a cutback asphalt? A cutback asphalt is simply a combination of asphalt cement and petroleum solvent. Like emulsions, cutbacks are used because they reduce asphalt viscosity for lower temperature uses (tack coats, fog seals, slurry seals, stabilization material). How long does liquid asphalt last? It can last 3-5 years. What are the types […]

Does divalproex cause hyponatremia? In total, 87 cases of hyponatremia were identified from 630 adverse drug reactions. Six of these cases were patients who were using divalproex, or 6.9% of all hyponatremia cases. Each of the 6 patients who experienced severe hyponatremia were those using both DVP and another antiepileptic agent. Does valproic acid cause […]

How does economic recession affect tourism? UK tourism has weathered the double dip recession but 18% fewer people are holidaying abroad than before the downturn, a new study shows. Total tourism revenue was up 12.6% to £40 billion between 2007-2011 against the general economy up 8%. What are the effects of a recession? Recessions result […]

What gift should I give a 13 year old girl? Here are some of the most asked for room decorating gifts for a 13 year old girl: furniture – bean bag chairs are great. new bedding. wall art. doorbell (got to smile at this one but I think it’s awesome) – it’s also a teen […]

How does Downs Syndrome change over time? These include a change in mood, loss of interest and ability to concentrate, together with changes in sleep and appetite. Thyroid disorders can be excluded both on the basis of clinical features and by a blood test. Does Down Syndrome symptoms get worse with age? Adults with Down […]

Can you breed expired Dragons in DragonVale? Here are four fundamental rules of Dragonvale breeding of expired dragons: Now, ALSO thanks to rule #1 AND the co-op breeding cave, you can breed an expired Epic anytime you want in your co-op cave, as long as you have a friend who has it set as their […]

How do great blue herons protect themselves? Great blue herons hunt by stealth and appear to have endless patience as they watch and wait for prey, including fish, amphibians, small mammals and nestlings of other birds. To protect their nests from predators such as raccoons, herons nest in large colonies at the tops of trees. […]