A bird feeder having a rechargeable electrical power source and a solar energy system that collects solar energy, converts it into electrical energy, and uses the electrical energy to recharge the rechargeable electrical power source is disclosed. The rechargeable electrical power source can be used to power a wide variety of electrical devices, such as microphones, radio receivers or transmitters, cameras, audio recording and playback devices, video recording and playback devices, loud speakers, lighting elements, timing devices, remote controls, motors, etc.

 
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> Mouse exhibiting characteristics of Rothmund-Thomson syndrome and preparation method thereof

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