Antivaccination Websites Rely On Emotion, Not Evidence
Websites that question the safety and benefits of immunizing children rely heavily on emotional appeals rather than scientific evidence.

Study Throws New Light On How Gene Switches Operate
Faulty regulation of genes is a common basis of many human diseases, including many cancers.

Linking Microscope Images To Quantitative Information
A team of computer scientists working with cell biologists at Lawrence Berkeley National Laboratory has created BioSig, a web-based bioinformatic system that links collections of microscope images to a wide variety of quantitative experimental data.

Explaining False Negative Results On Some Pap Tests
Some women may be getting false negative results on their routine Pap tests -- the traditional method to detect cervical cancer early -- because aberrant tissue changes can keep abnormal cells from being picked up during the exam, according to a study released today.

Change In One Base Pair Can Create A Typhoid Mary
Salmonella enterica causes approximately 16 million cases of typhoid fever worldwide, killing around 500,000 people per year.

Romans Preferred Small-Scale Systems For Drainage
Contrary to common opinion, the Romans had several systems for the supply and drainage of water. And they preferred small-scale provisions such as cesspits, wells and rainwater tanks.