Insect pests are among the leading causes of crop failure.
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Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.
In1974HenryAaronbrokeBabeRuth'smonumentallifetimerecordof714homeruns.
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.
Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.
Thecontrolsofmostmodernairplanescanbeoperatedeithermanuallyorautomatically.