资讯

This video introduces one of code.org's unplugged activities and provides an introduction to programming without the use of computers.
Alfaro, Laura, and Maggie Chen. "Multinational Activity and Information and Communication Technology." Working Paper, May 2015. (Background note prepared for the 2016 World Development Report: ...
In this activity you will build a simple paper helicopter called a "whirlybird." Unlike a real helicopter, the whirlybird does not have a motor to make its blades spin.
The journal Nature has retracted a paper about piperlongumine, a molecule with promising anticancer activity, over the objection of five of the paper’s 14 authors (Nature 2011, DOI: 10.1038 ...
We read the recent Editorial “It is time to bust the myth of physical inactivity and obesity: you cannot outrun a bad diet”1 with interest. While discussion about prevention and treatment of obesity ...
To make it more of an activity book, you can find Hale’s printable animal cutouts online. The paper animals can be stored inside the paper bag pockets of the book.
China's factory activity likely contracted for a second month in May, a Reuters poll showed on Friday, suggesting trade tensions with major export markets are weighing on manufacturers' minds as ...
Dive into this delightful paper project and let kids experience the joy of building something all on their own. The amazing guide walks children through the process of folding, shaping, and ...
Objective Intention is the proximal antecedent of physical activity in many popular psychological models. Despite the utility of these models, the discrepancy between intention and actual behaviour, ...