newscientist.com – Black and Hispanic people in the US are, on average, exposed to more dirty air than white people, despite generally producing less pollution
Source: Christopher W. Tessum, et al. Inequity in consumption of goods and services adds to racial–ethnic disparities in air pollution exposure. Proceedings of the National Academy of Sciences, 2019.
digitaltrends.com – A team of multidisciplinary scientists has achieved something impressive and frankly a little terrifying: they have used nanotechnology to give mice infrared vision. They injected mice with nanoparticles that gave the creatures infrared vision for up to 10 weeks from just one treatment.
Source: Yuqian Ma, et al. Mammalian Near-Infrared Image Vision through Injectable and Self-Powered Retinal Nanoantennae. Cell, 2019.
zmescience.com – True laughter between the friends is unmistakable even for a five-month-old.
Source: Athena Vouloumanos, Gregory A. Bryant. Five-month-old infants detect affiliation in colaughter. Scientific Reports, 2019.
nytimes.com – It seems like it should not be possible, but a recent case showed that sometimes a boy and a girl are born as semi-identical twins.
Source: Michael T. Gabbett, et al. Molecular Support for Heterogonesis Resulting in Sesquizygotic Twinning. New England Journal of Medicine, 2019.
sciencenews.org – A precise timing system in the brain helps musical rodents from the cloud forests of Costa Rica sing to one another.
Source: Daniel E. Okobi, Arkarup Banerjee, Andrew M. M. Matheson, Steven M. Phelps, Michael A. Long. Motor cortical control of vocal interaction in neotropical singing mice. Science, 2019.
sciencenews.org – Using the weekend to catch up on sleep is ineffective at making-up for lost sleep and offsetting the consequences to a person’s health.
Source: Christopher M. Depner, et al. Ad libitum Weekend Recovery Sleep Fails to Prevent Metabolic Dysregulation during a Repeating Pattern of Insufficient Sleep and Weekend Recovery Sleep. Current Biology, 2019.
popsci.com – The proclivity for pairs of exoplanets to seemingly push themselves into orbits that are more irregular from one-another than they ought to be has confounded astronomers for years.
Source: Sarah Millholland, Gregory Laughlin. Obliquity-driven sculpting of exoplanetary systems. Nature Astronomy, 2019.
zmescience.com – We're all humans, and that might mean that we're all conformists to a degree.
Source: Jonathan Touboul. The hipster effect: When anticonformists all look the same. arXiv, 2019.
the-scientist.com – The cephalopods use several strategies to manipulate light and produce their colorful patterns.
Source: Thomas L. Williams, et al. Dynamic pigmentary and structural coloration within cephalopod chromatophore organs. Nature Communications, 2019.
upi.com – Scientists have bioengineered yeast to produce THC and CBD, the two main ingredients in cannabis.
Source: Xiaozhou Luo, et al. Complete biosynthesis of cannabinoids and their unnatural analogues in yeast. Nature, 2019.