Math and Science

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April's calf was born!

At about 10:00 am, April 15th, April's calf was born.  Everyone will be talking about it and smiling constantly. Here's some fun math stuff to bring with you for Holiday gatherings.

10 Million nematodes

Nematodes Grubs are killing my grass.  I don't want to put poison into the ground.  What can I do? There are tiny roundworms called beneficial nematodes. They can kill destructive so...

California water measurements - chains, links, and furlongs

[caption id="attachment_17570" align="aligncenter" width="263"] Gunter's chain[/caption] Help your students understand what they are reading or hearing about the California drought.  Terms like acr...

McDonalds moves towards antibiotic-free chicken

Recently McDonald's announced that by 2016 they will use only chicken raised without the antibiotics that are used in human medicine.  McDonald's plans to join Chick-fil-A, Pa...

Kilauea's lava flow

[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption] Th...

Saffron and paella

In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice.  It was hugely expensive.  So, I've decided to start a business of growing saffron and becoming immen...

Cost of light bulbs - updated!

There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized. Let your students "do the math" and realiz...

Shamrock Shake

For Saint Patrick's Day add a little nutrition math to your celebration.  In this post we look at calories, carbohydrates, sugars, fats, and proteins to decide what would be left for our day's ...

California wildfire

Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park.  In this activity we ask students to examine various maps of this California region, calculate distances us...

Bits, bytes, and nibbles

Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison.  I decid...