We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to this fragile ...
The crack in Antarctica's Larson C ice shelf has been growing for years. Has the speed of the rift's growth stayed about the same? increased? decreased? Do the math and discuss the...
What does this gizmo do?
We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be.
Then we've...
Ferryland, Newfoundland. JODY MARTIN / REUTERS
Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland. Its hard to tell how large it actually is but...
A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved. Fear of a huge break-off from the ice sheet is alarming no...
I'm trying to be more savy about wasting our resources. I have really old fashioned toilets and I'm trying to figure out if I should invest in saving water. Can you help me?
For...
I'm going to help save the planet by adding solar panels to my roof!
Should I tilt the panels on my roof to more accurately aim towards the Sun?
If so, at what angle should I use?
S...
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...
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...
Updated! Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases. This holstein cow is one of many huge contributors to our methane production. &nb...