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Science News Archive November 2020 - Page 43


Page 43 of 43

Fossils reveal mammals mingled in age of dinosaurs

A new study reveals that mammals developed social behavior much earlier than previously thought, interacting with dinosaurs in tightly packed clusters. The fossils, which are about 75.5 million years old, show evidence of multiple mature adults and subadults congregating, indicating a complex social structure.

SourceYale University·JournalNature Ecology & Evolution·DateNov 2, 2020

A loan for lean season

Researchers found that small loans during the lean season led to higher quality of life, increased agricultural output, and greater wages. The study's results validated the importance of seasonal variability to rural farmers' livelihoods, highlighting the need for economic interventions that account for this factor.

SourceUniversity of California - Santa Barbara·JournalAmerican Economic Review·DateNov 2, 2020

Light-modulated graphene-organic heterojunction transistors realizing photocurrent logic changes

Researchers have developed a graphene-organic heterojunction transistor that can modulate photocurrent speed, magnitude, and direction using light. The device utilizes the effective exciton thickness limitation of an intermediate organic transport layer to achieve logic reversal under optical modulation.

Rotation of a molecule as an "internal clock"

Researchers at the Heidelberg Max Planck Institute for Nuclear Physics have investigated ultrafast fragmentation of hydrogen molecules in intense laser fields using a new method. They used the rotation of the molecule as an internal clock to measure the timing of the reaction triggered by a second laser pulse.

SourceMax-Planck-Gesellschaft·JournalPhysical Review Letters·DateNov 1, 2020

Neurosurgeons and malpractice suits

The survey found that spine surgery had the highest number of medical malpractice suits among neurosurgeons. Fear of lawsuits influences their practice, with defensive medicine being a common response. The study highlights the need for transparent communication, better informed consent forms, and fair compensation to patients.

SourceJournal of Neurosurgery Publishing Group·JournalNeurosurgical FOCUS·DateNov 1, 2020