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Science News for December 27, 2000


PET scans aid in diagnosis of non-small-cell lung cancer patients

A study found that PET scans are more accurate than traditional diagnostic techniques in determining how far lung cancer has spread. PET scans revealed cancer in 27 patients that had spread farther than thought, sparing them from futile attempts at aggressive therapy.

SourceAmerican Society of Clinical Oncology·JournalJournal of Clinical Oncology·DateDec 27, 2000

Sick Kids' researchers discover different types of stem cells

A team of researchers at The Hospital for Sick Children has discovered two distinct types of stem cells within the blood system, short-term repopulating and long-term repopulating stem cells. These stem cells have different functions and could lead to improved cancer treatment and gene therapy outcomes.

SourceThe Hospital for Sick Children·JournalNature Immunology·DateDec 27, 2000
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Smoking triples risk of a common type of skin cancer

Researchers have shown that smoking more than triples the risk of developing squamous cell carcinoma, a type of skin cancer. The study found that current smokers were three times more likely to develop the cancer compared to former smokers.

SourceAmerican Society of Clinical Oncology·JournalJournal of Clinical Oncology·DateDec 27, 2000