Topic: Reproduction

China

Current Event November 2, 2015

China’s One Child Policy Ends

Economics Communism Reproduction

For 35 years, the Chinese government limited families to having one child. This week that policy changed and most families now have the option of having two children. The Communist party declared the previous policy a success. Population control was part of a political plan to reduce the number of people and raise the per capita income. Families who want to have more children welcomed this announcement. Others were more cynical, asking if the government will now force them to have more children. Listen to this story to hear various opinions about this policy change in China.

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Shark survival

Science Middle School

Shark Embryos Fight for Survival

Life Science Ecosystems Evolution Oceans Reproduction

As plants and animals reproduce over time, they are able to change and adapt to ensure or improve their chances of survival. The evolutionary goal of reproduction is paired with the concept of natural selection and survival of the fittest to determine who will reproduce. From colorful plumage to size, different species use different strategies to ensure reproduction and mate selection. The sand tiger shark has a unique strategy to ensure successful reproduction - and it depends on the timing of mating. Listen to learn more about the ultimate sibling rivalry while in the womb.

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Bee deaths and crop consequences

Science Middle School

Bee Deaths and Crop Consequences

Life Science Environment Ecosystems Reproduction

Over the past several years honeybee colonies have declined dramatically. There is no consensus over a single cause, and in fact, scientists point to multiple reasons for this problem. An important, yet often overlooked factor is basic land use decisions. Listen to learn about the importance of the symbiotic relationship between honeybees, flowers and humans, and what kids can do to help promote honeybees and other pollinators

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Bees and electric fields

Science Middle School

Bees and Electric Fields

Life Science Earth and Space Science Ecosystems Evolution Electricity Reproduction

Flowers have many ways of attracting bees for pollination. Bees are looking for nectar and pollen when they visit plants and flowers, as well as various colors, patterns, and shapes. Recently scientists have discovered a new way that flowers attract bees. They can sense the electric fields around flowers. Listen to hear about the natural positive charges of bees, the negative charges of flowers, and how the electric attraction works for pollination to happen.

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