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China has become the first nation in history to land a spacecraft on the far side of the moon, state media announced on Thursday.

Thursday’s official televised announcement that the probe had landed came approximately an hour after state media outlets China Daily and China Global Television Network (CGTN) deleted posts on social media proclaiming the mission a success, sparking widespread confusion as to whether the probe had in fact had made touchdown.

No explanation was given as to why the earlier tweets were deleted. On social media, observers speculated as to the cause of the apparent backtracking, with many wondering if the mission had experienced a temporary upset, or whether it was a simple case of state media jumping the gun ahead of the official announcement.

China’s last lunar rover — named Yutu, or Jade Rabbit — ceased operation in August 2016 after 972 days of service on the moon’s surface as part of the Chang’e 3 mission. China was only the third nation to carry out a lunar landing, after the United States and Russia.

Continue reading “China lunar rover successfully touches down on far side of the moon, state media announces” | >

University of Arizona biomedical engineering professor Philipp Gutruf is first author on the paper Fully implantable, optoelectronic systems for battery-free, multimodal operation in neuroscience research, published in Nature Electronics.

Optogenetics is a biological technique that uses light to turn specific neuron groups in the on or off. For example, researchers might use to restore movement in case of paralysis or, in the future, to turn off the areas of the brain or spine that cause pain, eliminating the need for—and the increasing dependence on—opioids and other painkillers.

“We’re making these tools to understand how different parts of the brain work,” Gutruf said. “The advantage with optogenetics is that you have cell specificity: You can target specific groups of neurons and investigate their function and relation in the context of the whole brain.”

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Dear friends of healthy longevity, yet another year has gone by. Hold back the melancholy though, because in this day and age a passing year can be looked at as a year fewer to wait before rejuvenation biotechnologies are available, rather than a year taken from your healthy lifespan. Busy as we are with all the errands of daily life, it is easy to forget all that’s happened and the progress we’ve made in the field in one year. So while we wait for 2019, let’s take a look back at what 2018 has brought us.

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