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Science News for October 14, 2003


The changing face of severe asthma

Research reveals distinct differences between severe asthma in children and adults, with males under 18 predominantly affected and females over 18. Children with severe asthma exhibit deceptively good lung function, challenging existing guidelines that may lead to undertreatment.

New scheduling method raises efficiency of electronics recycling

Researchers at Purdue University have developed a new scheduling method for electronics recycling that optimizes the flow of incoming products from storage to disassembly. By prioritizing large products with quick disassembly times, recyclers can reduce storage space needs by up to half and increase productivity.

SourcePurdue University·JournalIEEE Transactions on Electronics Packaging Manufacturing·DateOct 14, 2003

Restricting the gene pool

Researchers have identified a receptor on sea urchin eggs that regulates the species-specific adhesion of sperm, preventing cross-fertilization between different species. The discovery provides insights into the molecular mechanisms of gamete interactions and could shed light on how new species evolved.

SourceCold Spring Harbor Laboratory·JournalGenes & Development·DateOct 14, 2003

St. Jude leukemia therapy overcomes differences in treatment outcome between black, white children

A new study by St. Jude Children's Research Hospital found that black children with acute lymphoblastic leukemia (ALL) can achieve high cure rates comparable to those of white children, contradicting previous clinical studies. The research suggests that personalized risk-directed therapy played a key role in overcoming disparities in t...