Browse the Concise Encyclopedia
- hubble space telescope (hst)
- hubble's constant
- hubei
- hubertusburg, peace of
- huckleberry
- hudson bay
- hudson river school
- hudson strait
- hudson's bay co.
- hugo award
- huguenots
- hui
- huitzilopochtli
- hukbalahap rebellion
- hula
- human endocrine system
- human evolution
- human eye
- human genome project
- human nature
- human rights
- human sacrifice
- humanism
- humanistic psychology
- humanities
- humberside
- humidity
- hummingbird
- humour
- humpback whale
- humus
- hun
- hunan
- hundred days
- hundred years' war
- hungarian language
- hungarian revolution
- hünkâr iskelesi, treaty of
- hunkers and barnburners
- hunters' lodges
- hunting
- hunting and gathering culture
- huntington chorea
- hurdling
- hurdy-gurdy
- hurling
- huron
- husaynid dynasty
- hussar
- hussite
- hutchinson family
- hutchinson, anne
- hutterite
- hutu
- hwange national park
- hwarangdo
- hyacinth
- hyacinthus
- hyades
- hybrid
- hyderabad
- hydra
- hydrangea
- hydraulic jump
- hydraulic press
- hydraulics
- hydride
- hydrocarbon
- hydrocephalus
- hydrochloric acid
- hydroelectric power
- hydrogen
- hydrogen bomb
- hydrogen bonding
- hydrogenation
- hydrologic cycle
- hydrology
- hydrolysis
- hydrometallurgy
- hydroponics
- hydrosphere
- hydrostatics
- hydrotherapy
- hydrothermal ore deposit
- hydroxide
- hyena
- hyksos
- hylomorphism
- hylozoism
- hymen
- hymn
- hyperbaric chamber
- hyperbola
- hyperbolic function
- hyperbolic geometry
- hypertension
- hypertext
- hypnosis
- hypochondriasis
- hypoglycemia