Why are Biogen submitting a failed Alzheimer's drug for FDA approval? Does a new CRISPR system hold the key to correcting all genetic disease? Find out in ScienceSeeker's picks of the best posts for the week of Oct 21 - Oct 27, 2019 #SciSeekPicks #SciComm.

In this week's exciting edition of the best from the world of science news, explore the surprising connection between traumatic brain injury and criminality, and find out what's happening in the Amazonian rainforest now that media coverage of the fires has died down. ScienceSeeker editors' favourite posts within their respective areas of interest and expertise also cover many other important and exciting topics. Why not have a read, inform yourself, and indulge your scientific curiosity?

• New CRISPR tool could fix almost all disease-causing DNA glitches by Sharon Begley for STAT News.

  

  A new CRISPR system shows gene replacement efficiency at up to 78%, much higher than other systems.
  However, gene editing technologies have shown disappointing results in humans in the past. Only time will tell.
  Credit: Ernesto del Aguila III, National Human Genome Research Institute, NIH (Public Domain)

• The return of Aducanumab by Derek Lowe at Science Translational Medicine.
• The surprising connection between brain injuries and crime by Kim Gorgen, transcript taken from a talk at TEDXMileHigh, published on ScienceBeta.
• Study finds massive reorganization of life across Earth’s ecosystems by John C. Cannon for Mongabay.
• As 2019 Amazon fires die down, Brazilian deforestation roars ahead by Sue Branford and Maurício Torres for Mongabay.com.
• A grizzly situation: saving bears by mitigating conflict by Jessica Espinosa for Envirobites.
• A parasitic bacterium saps energy from corals by Matt Miles at Hakai magazine.
• Should we judge a scientific field by its classic papers, its typical current papers, or its best current papers? by Jeremy Fox at Dynamic Ecology.
• The need for an African lightsource by Dr. Prosper Ngabonziza at Elephant in the Lab.
• What made dinos sore? by Riley Black at Scientific American.
• For the last time, no, a NASA engineer has not broken physics with an impossible engine by Ethan Siegel at Starts With A Bang.
• Messy Births by Damond Benningfield at Stardate.
• Meet The Blob, a creature that has almost 720 sexes — but no brain by GrrlScientist for Forbes.

Check back next week for more great picks.