theguardian.com – Vaccines are our best hope for controlling Covid-19. But they should be delivered in ways that we know are effective, say virologist Angela Rasmussen and infectious diseases doctor Ilan Schwartz
Source: Lisa A. Jackson, et al. An mRNA Vaccine against SARS-CoV-2 — Preliminary Report. New England Journal of Medicine, 2020.
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upi.com – One-of-a-kind fossilized burrows unearthed in Taiwan suggest giant predatory worms colonized the Eurasian seafloor during the Miocene, some 20 million years ago.
Source: Yu-Yen Pan, et al. The 20-million-year old lair of an ambush-predatory worm preserved in northeast Taiwan. Scientific Reports, 2021.
newscientist.com – A reconstruction of the only fossilised dinosaur genital orifice in existence suggests the ancient animals attracted a mate using colour contrasts and musky smells
Source: Jakob Vinther, Robert Nicholls, Diane A. Kelly. A cloacal opening in a non-avian dinosaur. Current Biology, 2021.
zmescience.com – Before humans minted coins, they used all sorts of odd objects as standardized money.
Source: Maikel H. G. Kuijpers, Cătălin N. Popa, Peter F. Biehl. The origins of money: Calculation of similarity indexes demonstrates the earliest development of commodity money in prehistoric Central Europe. PLOS ONE, 2021.
cbc.ca – Canada's vaccination campaign is off to a slow start — and news this week that deliveries of the Pfizer-BioNTech product will be dramatically reduced over the next month has further complicated the national rollout.
Source: Jerald Sadoff, et al. Interim Results of a Phase 1–2a Trial of Ad26.COV2.S Covid-19 Vaccine. New England Journal of Medicine, 2021.
zmescience.com – Males employ sexual coercion in order to quickly mate and flee the scene in one piece.
Source: Nathan W. Burke, Gregory I. Holwell. Male coercion and female injury in a sexually cannibalistic mantis. Biology Letters, 2021.
arstechnica.com – The pig's spiky head crest and two facial warts helped identify its species.
Source: Adam Brumm, et al. Oldest cave art found in Sulawesi. Science Advances, 2021.
nextbigfuture.com – In Mid-October, 2020 (when the US had 215000 COVID deaths), COVID had caused a reduction in US life expectancy at birth of 1.13 y to 77.48 y, lower than any year since 2003. There was a 0.87-y reducti
Source: Theresa Andrasfay, Noreen Goldman. Reductions in 2020 US life expectancy due to COVID-19 and the disproportionate impact on the Black and Latino populations. Proceedings of the National Academy of Sciences, 2021.
popsci.com – The “extraordinarily well-preserved” male genitalia of the newly discovered species, named Aphelicophontes danjuddi, show similarities to those of present-day bugs, scientists reported on January 19 in the journal Papers in Palaeontology.
Source: Daniel R. Swanson, Sam W. Heads, Steven J. Taylor, Yinan Wang, Conrad Labandeira. A new remarkably preserved fossil assassin bug (Insecta, Heteroptera, Reduviidae) from the Eocene Green River Formation of Colorado. Papers in Palaeontology, 2021.
businessinsider.com – Snakes typically slither. But a new study shows a species of tropical tree snake can loop its body into a lasso shape to climb cylindrical objects.
Source: Julie A. Savidge, Thomas F. Seibert, Martin Kastner, Bruce C. Jayne. Lasso locomotion expands the climbing repertoire of snakes. Current Biology, 2021.
newscientist.com – Lithium batteries that operate at a higher temperature could be cheaper and safer than other batteries for electric cars
Source: Xiao-Guang Yang, Teng Liu, Chao-Yang Wang. Thermally modulated lithium iron phosphate batteries for mass-market electric vehicles. Nature Energy, 2021.