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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

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学英语单词
air lift unloader
alopach
alpha-beta procedure for games
applied powder metallurgy
Azotoyperit
ballast packing
bound ion
bristle tail
brute facts
can warmer
centre spread
Cerasus pogonostyla
Chassezac
clay pan chernozem
coast elevation
coronarogram
cutting system
dance-rock
Dastjerd
deshoppers
Dexacillina
distrustiness
dorsal mediastinum part
double-drag-link linkage
drain breakdown voltage
eriosema chinense vog.
extra-channels
family Menyanthaceae
feed liquid
gas pistol
general navigation
Get out !
go along with
Groom,
hadows
hilti
Huancapi
impressionist painting
initials
juxtapolynomials
labountsovite (labuntsovite)
location photography
Loxostigma cavaleriei
Lézignan-Corbières
metaseptum
MJ4309-1
moisture apparatus
multi-layer
Nanjangud
nastily
naturalized alien
Negev Desert
Nervus palatinus major
new standard
nonabsorbent cotton plug
open brine system
open-pit crawler downhole jumbo
outer flank
overall operating length
palstage
parascorpaena mcadamsi
pass ... on
pauperisation
pigas
polar continental high
polygon
polypod phase
polysynthesism
program coding
pronumeral
pulsed rectifier
pyroclasts
rami cutaneus palmaris
rhizoma et radix ligustici jeholensis
Royal College of Music
rye straw
samarium tribromide
secks
SEF-1
shuteyes
slow-virus infection of brain
solar day
stern chasers
suggested (retail) price
the 'n' word
three-point arbitrage inforeign exchange
traversed length
true knot
tutor-student
uk nurse
unrisked
urgent maintenance
vda (video distributing amplifier)
waivling
Warwick Chan.
werie
wrapped tube for high-pressure fuel
Y (yard)
young at heart
zhizichi decoction
zinc metaarsenite