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Science News for May 28, 2000


'Lying' gets space-age results

A U of T engineer has devised a method to control vibrations in robots assembling or repairing objects in outer space. By entering a 'corrected' equation into the system, scientists can reduce deformations and complete tasks more quickly.

SourceUniversity of Toronto·JournalJournal of Robotic Systems·DateMay 28, 2000

Study shows receptor molecule facilitates introduction of corrected genes into cells

University of North Carolina at Chapel Hill scientists have discovered a receptor molecule that can facilitate the introduction of corrected genes into cell nuclei, paving the way for potential gene therapy treatments. The study uses a G-protein-coupled receptor to enable weakened viruses to enter cells, carrying therapeutic payloads.

SourceUniversity of North Carolina at Chapel Hill·JournalNature Biotechnology·DateMay 28, 2000
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Stone tools reveal ancient seafood diet

A new study of ancient stone tools in Eritrea reveals that early humans harvested seafood in Africa around 125,000 years ago. The discovery suggests a widespread adaptive strategy in early human behavior that spread across the continent between 115,000 and 125,000 years ago.

SourceUniversity of Toronto·JournalNature·DateMay 28, 2000