Listing all results (2)

The Placebo Effect

This investigation, provided by Planet Science, covers three lessons. The aim of the lessons is to introduce students to the concept of the placebo effect - that something which cannot have any effect does in fact have the same or similar effect as the drug or experiment being tested. This is usually due to the...

Making Ice Cream Without a Freezer

This Catalyst article describes how to make ice cream using a mixture of ice and salt, without the need of a freezer. Detailed instructions and an explanation of how it works is included, as well as a link to a video showing how the process can be sped up using liquid nitrogen.

This article is from...

View all publishers