The beautiful RjÃºkandafoss waterfall, Iceland.

The beautiful Gufufoss waterfall, Iceland.

Canyon Moira river discolored from silt, Iceland.

A sample of sulfuric acid being assessed with a pH color-fixed indicator stick.

A sample of acid being assessed with a pH color-fixed indicator stick.

A sample of hydrochloric acid being assessed with a pH color-fixed indicator stick.

A sample of nitric acid being assessed with a pH color-fixed indicator stick.

ST. JOHNâ€™S, CANADA, JANUARY 29, 2022: Trucks taking part in the anti-vaccine mandate protest, taken in St. Johnâ€™s, Newfoundland and Labrador on January 29, 2022.

E. coli growing on DC media. Showing blue colonies for E. coli.

Spotted sawfly larvae feeding on a red currant bush leaf.

Brightly colored wooden gate with flowers and trees.

Spotted sawfly larvae on a red currant bush. One of the caterpillars has just molted leaving its skin on the branch.

A syringe loaded into a sample injector of a high performance liquid chromatography instrument.

A yellowlegs stands on one leg in a lake.

Northern pintail, Anas acuta, swimming in a lake.

A yellowlegs feeding on stickleback in a lake.

Northern pintail, Anas acuta, standing in a lake.

ST. JOHN'S, NEWFOUNDLAND AND LABRADOR, CANADA â€“ NOVEMBER 20, 2021.  Citizens protesting vaccine mandates for COVID at the Newfoundland and Labrador House of Assembly (Confederation Building), taken on November 20, 2021, in St. John's.

A yellowlegs feeding on a stickleback in a lake.

Macro image of early spring growth of the pussy willow catkin.

A molting juvenile bald eagle resting on a utility wire.

Beautiful, brightly colored,  male Wood Duck swimming in a lake.

Male Mallard Duck covered with water while swimming in a lake.

Colorful male Wood Duck with wings extended.

Building reflections in a lake on a spring day.

Beautiful brown female Scaup swimming in a lake.

Confederation building St. Johnâ€™s, Newfoundland and Labrador, Canada. The building that houses the Newfoundland and Labrador government.

Test tubes containing microbiological media for culturing bacterial.

Coal tar treated wooden plank showing weathering.

Determination of dissolved oxygen in a DO bottle showing color development.

The flower of the Pin Cherry tree, Prunus Pensylvanica.

Cuvette containing a sample being placed into a spectrophotometer.

Close up of aged concert showing weathering and discoloration.

Oxidation of a metal surface showing rusting and corrosion.

Colorful tulips blooming in spring. Fresh flowers growing in the garden.

A reagent bottle containing toluene and its chemical structure.

Washing the tip of a burette used for titrations in education and industry. Titrations are used to measure chemical concnetrations.

Solid phase microextraction holder used in gas chromatography.

A beautiful cormorant in late evening sun.

Fence post and rails marking the boundary of a field.

A feral pigeon, Livia domestica, flying during an extreme snowsquall.

A burette used for titrations in education and industry. Titrations are used to measure chemical concnetrations.

Cuvettes, next to a reagent bottle, for measuring a chemical concentration in a spectrophotometer. One side of the cuvette is clear the other frosted.

Cuvettes for measuring a chemical concentration in a spectrophotometer. The cuvettes are in front of a reagent bottle.

Adding reagents to a dissolved oxygen bottle to determine the oxygen content ina steam sample.

Reagent bottle and chemical structure of distilled water.

Waterfowl nesting cylinder or hen house in a wetland.

New growth of a Balsam fir (Abies balsamea) tree. The tree is covered with water from rain.

Short-term chemical storage bottles used in a chemistry laboratory.

The flowers of a red currant bush, Ribes rubrum.

ggw

Geoffrey Whiteway

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