Mark Carwardine / Tailfin of Great white shark (Carcharodon carcharias) underwater, Guadalupe Island, Mexico (North Pacific)
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Nigel Cattlin / Potatoes (Solanum tubersosum) exposed to light and turning green with chlorophyll, indicating possible toxic glycoalkaloid solanine production, Berkshire, UK, August.
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Nigel Cattlin / Potatoes (Solanum tubersosum) exposed to light and turning green with chlorophyll, indicating possible toxic glycoalkaloid solanine production, Berkshire, UK, August.