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Science

A week of historic cold and snow

Paul Katula - Saturday, February 20, 2021

Science

Perseverance lands on Mars

Technology

Robotics team at Metea Valley wins national renown

Science

Periodic table with superheroes and apps helps

Science

Great conjunction; it’s not usually this good

Science

What does ‘allele’ mean?

Paul Katula - Saturday, December 13, 2008 1

Science

What is a Punnett square?

Paul Katula - Saturday, December 13, 2008 4

Science

Galactosemia Punnett: recessive and fatal

Paul Katula - Friday, December 12, 2008 4

Nation/World

Have online social networks made HS reunions obsolete?

Paul Katula - Monday, December 1, 2008 0

Science

USA Biology Olympiad Prelims

Paul Katula - Monday, November 17, 2008 0

Science

Differences between active and passive transport

Paul Katula - Monday, November 17, 2008 4

Science

Raisins in 100 ml of water overnight

Paul Katula - Sunday, November 16, 2008 6

Math

What is a stem-and-leaf plot?

Paul Katula - Thursday, October 2, 2008 5

Math

What is a fraction?

Paul Katula - Tuesday, September 30, 2008 2

$What is a fraction?$

Math

What is a fraction?

Paul Katula - Tuesday, September 30, 2008 0

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