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How does a soccer ball swerve?

A football serves because of the Magnus effect, explained in this article.

https://newsoffice.mit.edu/2014/explained-how-does-soccer-ball-swerve-0617

Tennis - The Magnus Effect

A simple site explaining how topspin curves a tennis ball.

http://wings.avkids.com/Tennis/Book/magnus-01.html

Lift of a rotating cylinder

A NASA page examining how a rotating cylinder is lifted using the magnus effect. Includes a java simulator so you can experiment yourself.

http://www.grc.nasa.gov/WWW/K-12/airplane/cyl.html

Gravitation

A program which models the gravitational effects of different bodies in different systems. This program is simple and shows the effect of gravity very well.

http://www.arachnoid.com/gravitation/small.html

Race to Mars - Known effects of long-term space flights on the human body

Read about the effect of space travel from feeling sick to bone loss and muscle wasting.

http://www.racetomars.ca/mars/article_effects.jsp

Accelerated Travels

A look at the combined effect on distance from an origin of distance traveled and relativistic effects during accelerated travel.

http://mathpages.com/rr/s2-09/2-09.htm

Convection in a Box

Brief description of some experiments with smoke in a closed box, with normal convection currents and odd effects, includes diagrams and discussion of effects.

http://www.synapse9.com/airbox.htm

Biological Effects of Low-Level, Electromagnetic Fields

Statements from the Institution of Engineering and Technology on the possible health effects of EM fields and radiation from power lines, mobile phones and their associated base stations.