evidence | STAO

Tree rings show human effect on climate goes back more than a century – The Globe and Mail

by msander | May 3, 2019 | Gr 9-10 Science, Gr. 11-12 Biology

Tree rings can measure past climate because trees are sensitive to soil moisture. Scientists found over the past 120 years North America, Australia and the Mediterranean have been getting drier while parts of Asia, including India and western China, have been getting...

Misleading Cancer Labels

by msander | Jul 28, 2018 | All Science Teachers

What does it actually mean when a label says something ‘causes cancer’? Those labels can be misleading, but knowing the legal and scientific reasoning behind them can help. Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the...

Tree rings show human effect on climate goes back more than a century – The Globe and Mail

Misleading Cancer Labels

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