Tornado touches down in Elburn; storms hit central IL
Severe storms and a tornado touchdown were reported across central Illinois.
Science
Typhoon rocks southeast China; 1 million evacuated
http://news.bbc.co.uk/2/hi/asia-pacific/8191951.stm A typhoon has caused massive damage and loss of life in southeast China, the British…
Role of macromolecules in a cell (HS biology)
The following question is in the public domain. It concerns a description of the unique characteristics…
President announces new emissions, fuel-efficiency standards
http://www.nytimes.com/learning/students/pop/articles/19emissions.html President Obama announced on Tuesday that the US would impose tougher emissions and fuel-efficiency standards,…
Australian bush fires claim about 200 lives
Australian bush fires, in the state of Victoria, including the area east of Melbourne, have already killed about 200 people.
Snow keeps piling up, temps keep falling
It’s cold out there. Western Suburbs Champaign-Urbana Wednesday morning rush hour was a nightmare, and flights…
Two iguana species evolve on the Galapagos Islands
We have the following problem: On the Galapagos Islands, several species of iguanas live on land,…
What does ‘allele’ mean?
The word allele, in the study of inheritance, means a single copy of a gene. It…
What is a Punnett square?
Biologists who study inheritance patterns, genetic counselors, and you (apparently) need to bridge the gap between…
Galactosemia Punnett: recessive and fatal
Classic galactosemia is an inherited disease. The allele for normal digestion (G) is dominant, and the allele for galactosemia (g) is recessive.