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Science News for July 14, 2019


Healthy lifestyle may offset genetic risk of dementia

A new study found that living a healthy lifestyle can significantly reduce the risk of dementia for individuals with a high genetic risk. The research, published in JAMA, analyzed data from over 196,000 adults and discovered that adhering to a healthy lifestyle, regardless of genetic risk, was associated with a reduced risk of dementia.

SourceUniversity of Exeter·JournalJAMA·DateJul 14, 2019

Study gives insight into sun-induced DNA damage and cell repair

A Baylor University researcher has made a significant discovery about the dynamic process of DNA damage recognition, providing new insights into the molecular repair machinery. The study found that the protein Rad4/XPC binds to UV-induced DNA lesions, marking them for repair and initiating the nucleotide excision repair pathway.

SourceBaylor University·JournalNucleic Acids Research·DateJul 14, 2019

Infanticide by mammalian mothers

Infanticide by female mammals removes potential competitors for breeding space, milk, and social status. Researchers found that harsh conditions and territorial needs drive this behavior in various mammalian species.

SourceMax Planck Institute for Evolutionary Anthropology·JournalPhilosophical Transactions of the Royal Society of London (B )·DateJul 14, 2019
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Athletes at a higher risk for ACL injury after return to sport

Researchers found that young athletes who fail to achieve a 90 percent score on quadricep strength tests are at increased risk for second knee injuries. Those who failed individual return-to-sport criteria were three times more likely to suffer contralateral ACL tears.

SourceAmerican Orthopaedic Society for Sports Medicine·DateJul 14, 2019