The African crested rat sequesters poisons from Acokanthera schimperi into specialized hairs, shown here alongside typical hairs. Sara Weinstein/Smithsonian's National Zoo & Conservation Biology Institute hide caption
Princess Haley, co-founder of a group called Appetite for Change, picks an artichoke to go into supply boxes of fresh produce. The group's mission is to improve the diet of families in Minneapolis. Yuki Noguchi/NPR hide caption
Mount Everest, the world's tallest peak, seen from Syangboche in Nepal. Prakash Mathema/AFP via Getty Images hide caption
"You do what you have to do to survive," says Diane Evans, who is fighting pandemic loneliness with technology. Evans lives in San Francisco and has Zoom calls regularly with her daughter in Chicago. Lesley McClurg/KQED hide caption
Donald Baffoni holds a 6-month-old turkey this month at Baffoni's Poultry Farm in Johnston, R.I. John Tlumacki/The Boston Globe via Getty Images hide caption
Adam Woodrum and his son, Robert, get ready for a bike ride near their home in Carson City, Nev., this month. During the summer, Robert had a bike accident that resulted in a hefty bill from the family's insurer. Maggie Starbard for KHN hide caption
Flames approach houses during the Tick Fire on Oct. 24, 2019 in Canyon Country, California. David McNew/Getty Images hide caption
A flu vaccine is administered at a walk-up COVID-19 testing site, in San Fernando, Calif. Emergency use authorization is expected soon for vaccines for COVID-19. Robyn Beck/AFP via Getty Images hide caption
Included in the missing notebooks is Darwin's famous Tree of Life sketch, according to Cambridge University Library. Cambridge University Library hide caption
Then-Secretary of State John Kerry holds his granddaughter as he signs the Paris Agreement on climate change in April 2016. Kerry has been chosen as climate envoy in the incoming Biden administration. Mark Lennihan/AP hide caption
Sam Berns and Audrey Gordon, executive director of The Progeria Research Foundation and Berns's aunt, attend The New York Premiere Of HBO's "Life According To Sam" on October 8, 2013 in New York City. Thos Robinson/Getty Images for HBO hide caption
MIT's Martin Zwierlein works with ultracold atomic gases. Within these glowing clouds of atoms, "superfluid" states of matter form. Zwierlein Ultracold Quantum Gases Group hide caption
The rocket, pictured on Nov. 17, will launch China's Chang'e-5 lunar probe on Tuesday. Here it is being transported to the launching area at the Wenchang Spacecraft Launch Site in southern China's Hainan province. Stringer/AFP via Getty Images hide caption
Dr. Deborah Birx, the White House's coronavirus response coordinator, speaks during a briefing with the coronavirus task force at the White House on Thursday. The Food and Drug Administration has granted emergency use authorization for a second antibody treatment for COVID-19. Susan Walsh/AP hide caption
Taco has kept Devin Green busy and her anxiety at bay. "I'm consumed with him more than the worries in my mind." Devin Green hide caption
A female Aedes aegypti mosquito feeds on human skin. James Gathany/CDC/Smith Collection/Gado/Getty Images hide caption
Del Ficke, a farmer in Pleasant Dale, Neb., has embraced the cause of building carbon-rich soil, capturing carbon dioxide from the air in the process. Dan Charles/NPR hide caption
A low-level inmate from El Paso County detention facility works loading bodies wrapped in plastic into a refrigerated temporary morgue trailer in a parking lot of the El Paso County Medical Examiner's office on Tuesday. Mario Tama/Getty Images hide caption