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A molecular model of Bisphenol A or BPA.  It is a common building block in the production of many epoxy resins and plastics including polycarbonate plastic. As such it is present in a huge range of food packaging and household products. There are now concerns about its health effects, particularly its effect on children, infants and fetuses.   Isolated on white.
Microcrystalline wax with chemical formula on white laboratory table.
Chemical formula of Cortisol
Glucosamine (C6H13NO5) is an amino sugar. treatment for osteoarthritis. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Macro cubical pyrite on white matrix isolated on gray background
Hot river at Geothermalatea in  the Haukadalur valley, east of Reykjavík, Iceland.
Riluzole is a medication used to treat amyotrophic lateral sclerosis and other motor neuron diseases.
Turquoise natural sandstone pools in Pamukkale, Türkiye
Highlight on chemical element Barium in periodic table of elements. 3D rendering
Chemical formula of Progesterone
Water (Molecular formula: H2O) is a clear, odorless, tasteless liquid that is essential for most animal and plant life. Chemical structure model: Ball and Stick. 3D illustration.
Volcanic views and traditional sulfur mining are the main attraction at Ijen volcano, East Java, Indonesia.
Halofantrine is a drug used to treat malaria. Halofantrine's structure contains a substituted phenanthrene, and is related to the antimalarial drugs quinine and lumefantrine. 3d illustration
Colorful Crystal texture, design element for use.
3d render of molecular structure of sulfuric acid isolated over white background Atoms are represented as spheres with color and chemical symbol coding: hydrogen(H) - blue, oxygen(O) - green, sulfur(S) - orange.
3D rendering of microscopic particles and bubbles
Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.
Inside protein molecule
West Thumb Geyser Basin – Collapsing Pool. Scenic Landscapes of Yellowstone National Park, USA, UNESCO World Heritage Site
A molecular model of the flavonoid Quercetin.  An antioxidant and anti-inflamatory, it is used as a nutritional suplement.  It is commonly found in many fruits and vegetables and is a significant chemical component of tea.  Isolated on white.
Decitabine is a medication for the treatment of myelodysplastic syndromes, a class of conditions where certain blood cells are dysfunctional.
Bumpass Hell, the largest and most popular hydrothermal area, in Lassen Volcanic National Park, California
Close-up of naturally occurring rare green crystalline ore
Chemical formula of Aldosterone
Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (often abbreviated MeOH).
Mammoth Hot Springs in the Yellowstone Ecosystem of western USA in North America. Nearest cities are Gardiner, Cooke City, Bozeman, Billings Montana, Salt Lake City, Utah, Denver, Colorado and Jackson, Wyoming.
Druza of large crystals of galena, with crystals of calcite and siderite
Structural model of Benzene molecule
Free Images: "bestof:Protiofate.png chemical structure of protiofate Own 12 45 1 November 2008 UTC Edgar181 Sulfur heterocycles"
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