Nature

Vectors, &c., at the British Association

IN the report (August 30) of the discussion on the use and notation of vector analysis at the British Association is stated that I “deplored the substitution of vectors for quaternions.” The statement ...
Nature

Progress and problems with the use of viral vectors for gene therapy

Five main classes of clinically applicable virus vector have been engineered over recent years to improve the efficiency and safety of gene delivery. Hybrid vectors that combine the properties of ...