Two groups measure the quasiparticle charge of the 5/2 fractional quantum Hall state
Charles Day
pág. 14
Electric-field gradient sorts molecules according to their shape
Johanna L. Miller
pág. 17
Collider data show evidence for a meson made of four quarks
Bertram M. Schwarzschild
pág. 18
Scattered countries revive hope for european spallation source
Toni Feder
pág. 22
Revamped grants program offers R&D funds for 'critical national needs'
David Kramer
pág. 23
Lawmakers fret over health, safety impacts of nanotechnology
pág. 24
Ehrenfest letters surface
pág. 26
Brown dwarfs: Failed stars, super jupiters
Adam J. Burgasser
pág. 70
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