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Periodic table detail for the elements hafnium and tantalum. Image uses an altered public domain periodic table as the source document. Part of a series covering all the elements

blooming viburnum tree in sunny day with clusters of white flowers, close-up

White flowers of Torilis japonica - Japanese Hedge Parsley close up. Selective focus

Elderberry (Sambucus) is a genus of flowering plants in the Adoxaceae family

A native sugarbag bee flying over a white pignut flower

Giant hogweed flower. Shallow DOF. Summer 2013 Cornwall UK.

In summer, Sedum maximum grows in the garden

Symbol for the chemical element nitrogen

Chemical formula of Vitamin E with black pen. Close-up.

Heracleum sosnowskyi growing in the woods on a sunny summer day in Norway in Bergen.

$Limonium sinuatum, commonly known as Wavyleaf sea lavender, Statice, Sea lavender, Notch leaf marsh rosemary, Sea pink, is a Mediterranean plant species in the family Plumbaginaceae, known for its papery flowers that can be used in dried arrangements.\nThe flowers present in short, papery clusters in colors ranging from white to pink, purple, and yellow.$

White flowers of Queen Anne's Lace also known as Cow Parsley, or Wild Chervil scientific name Anthriscus lamprocarpus growing wild in Israel.

Pink Ammania plant, Ammannia gracilis, with blossoms.

Green leaves pattern,leaf Ming Aralia tree in the garden

$Cornus alba 'Bud's Yellow'\nSmall flowers on a young dogwood in springtime in Metro Vancouver.\n\nPlant Hardiness Zone 8A.$

Blackboard with the chemical formula of Cortisone

Blackboard with the chemical formula of Penicillin

$A rather delicate, low, hairless, rhizomatous perennial forming carpets; stem slender, erect, unbranched. Basal leaves 2-ternate, with oval or oblong lobes, long stalked; stem leaves one pair, ternate, the segments trilobed. Flowers greenish, in small clusters, 6-8mm across, each normally with 5 flowers. Fruit greenish, but seldom produced.\nHabitat: Shady places on moist soils, to 2400m.\nFlowering Season: April-May.\nDistribution: Throughout Europe, except the far North.\n\nThis is a quite scarce Species in the described Habitats.$

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Estradiol and progesterone in menstrual cycle.svg

Muz PGI 1728-II-16 animated v20150114.svg

Beta sheet bonding antiparallel-color.svg

Évolution pourcentage femmes Polytechnique.svg