When politics meddles with science, it can lead to tragedy, as was the case with Stalin's favourite agricultural biologist Trofim Lysenko and his rival Nikolai Vavilov.
Coconut water may be the 'it' drink, but its producers face multiple threats.
Computer dating for animals? Finding the right matchup - using DNA rather than personality questionnaires - could help select the best partnerships for captive breeding programs.
Protecting this ecosystem helps local people and secures coffee's long-term genetic future.
South African sharks have low levels of genetic diversity. This could pose a threat to their survival as a species.