481.
482.
483.
Marvel Might Finally Have Made Some Progress on ‘Blade’
(gizmodo.com)
484.
485.
486.
DHEA-S hormone linked to shorter lifespan in men, but not women
(news.ycombinator.com)
487.
Scientists Just Found a New, Incredibly Rare Blood Type
(gizmodo.com)
488.
489.
490.
493.
494.
497.
498.
499.
500.
Major sugar substitute found to impair brain blood vessel cell function
(news.ycombinator.com)