AMBOVOMBE, MADAGASCAR - MAY 23: Wild ring-tailed lemurs eat bananas in a compound belonging to an aid agency, on May 23, 2017 in Ambovombe, Madagascar. Lemurs are found only on this island. All types of lemurs are endangered due to destruction of their environment, the capture of babies as pets, and their killing as bush meat. 92% of Madagascar's population live below the poverty line on less than $2 a day. (Photo by Melanie Stetson Freeman/The Christian Science Monitor via Getty Images)

Can’t resist that juicy, ripe summer raspberry? It turns out your appetite may not be driving the show — the raspberry plant likely knows exactly what it’s doing.

Almost all fruits have seeds, and they’re designed that way for reproductive purposes; animals eat the fruit, transport the seeds internally, and — eventually — deposit them far and wide, ensuring the continuation of the plant species.

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When you bring home your gleaming bags of fresh fruit and vegetables from the market, you might give them a quick rinse under the tap before you proceed to eat. Unfortunately, rinsing in water, or even peeling, only removes surface residue. It can’t remove traces of pesticides or industrial chemicals used in pre-consumer washing and processing. Pesticides are chemicals used to kill pests, including insects, rodents, fungi and weeds that damage crops. They can also pose toxic threats to human health.

To help consumers educate themselves, the Environmental Working Group (EWG), a nonprofit environmental research group based in Washington D.C., recently released its annual pesticide report which includes a Shopper's Guide to Pesticides in Produce. The EWG Shopper's Guide ranks pesticide contamination of popular fruits and vegetables on more than 36,000 samples of produce tested by the U.S. Department of Agriculture (USDA) and the Food and Drug Administration (FDA). This year, they found that nearly 70 percent of samples of 48 conventionally grown types of produce contained pesticide residue. Washing did not remove the pesticides, nor, in many cases, did peeling.

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