China 
Africa 
- Bilayer graphene
- Bile
- Bile acids
- Bile canaliculi
- Bile duct
- Bile esculin agar
- Bilevel optimization
- Bilevel positive airway pressure
- Bilge keels
- Bilge pump
- Biliary tract
- Bilinear form
- Bilinear interpolation
- Bilinear map
- Bilinear transform
- Bilirubin
- Biliverdin
- Bill of quantities
- Billets
- Billion cubic metres of natural gas
- Bimatrix game
- Bimetal
- Bimetallic strip
- Bimodal volcanism
- Bimolecular
- Bimorph
- Bin packing problem
- Bin picking
- Binap
- Binary
- Binary XML
- Binary classification
- Binary code
- Binary cycle
- Binary data
- Binary decision
- Binary entropy function
- Binary files
- Binary functions
- Binary goppa code
- Binary images
- Binary large object
- Binary liquid
- Binary logarithm
- Binary number
- Binary operations
- Binary phase
- Binary regression
- Binary relations
- Binary search
- Binary search algorithm
- Binary system
- Binaural recording
- Binders
- Binding
- Binding constant
- Binding domain
- Binding energy
- Binding potential
- Binding selectivity
- Binding sites
- Bindings
- Binge drinking
- Bingham plastic
- Binning
- Binocular disparity
- Binocular vision
- Binodal
- Binol
- Binomial coefficients
- Binomial distribution
- Binomial proportion confidence interval
- Binomial regression
- Binomial series
- Binomial test
- Binomial theorem
- Binomials
- Binucleated cells
- Bio-MEMS
- Bio-based materials
- Bio-ink
- Bio-inspired computing
- Bio-inspired robotics
- Bio-oil
- BioFET
- Bioaccumulation
- Bioacoustics
- Bioactive
- Bioactive compounds
- Bioactive glass
- Bioadhesives
- Bioaerosols
- Bioanalysis
- Bioassays
- Bioaugmentation
- Bioavailability
- Biobanks
- Biobutanol
- Biocapacity
- Biocatalysis
- Bioceramics
- Biochanin a
- Biochar
- Biochemical detection
- Biochemical engineering
- Biochemical recurrence
- Biochemists
- Biochip
- Biocides
- Bioclogging
- Biocompatibility
- Biocomposite
- Bioconcentration
- Bioconductor
- Bioconjugation
- Biocontainment
- Bioconversion
- Biodegradable plastic
- Biodegradable polymers
- Biodegradable waste
- Biodesulfurization
- Biodesulphurization
- Biodiesel
- Biodiesel production
- Biodistribution
- Biodiversity
- Biodiversity hotspots
- Biodiversity loss
- Biodrying
- Bioeconomy
- Bioelectrical impedance analysis
- Bioelectricity
- Bioelectrochemical reactor
- Bioelectronics
- Bioenergetics
- Bioenergy
- Bioenergy with carbon capture and storage
- Biofabrication
- Biofeedback
- Biofilm
- Biofilters
- Biofouling
- Biofuel
- Biogas
- Biogasoline
- Biogenic
- Biogenic amines
- Biogenic silica
- Biogenic sulfide corrosion
- Biogeochemical cycles