Life
We summarize the week's scientific breakthroughs every Thursday.
- Genetics
All identical twins may share a common set of chemical markers on their DNA
Identical twins may share a set of unique chemical tags on their DNA that could be used to identify individuals who were conceived as identical twins.
- Paleontology
This is the oldest fossil evidence of spider moms taking care of their young
A spider trapped in amber 99 million years ago guarded her eggs and may have helped raise her young.
- Climate
Rice feeds half the world. Climate change’s droughts and floods put it at risk
Rice provides sustenance for billions who have no alternative, and climate change threatens to slash production. Growers will need to innovate to provide an important crop as climate whiplash brings drought and floods to fields worldwide.
- Animals
Bloodthirsty vampire bats like to drink with friends over strangers
Cooperation among vampire bats extends beyond the roost. New research suggests that bonded bats often drink blood from animals together.
- Genetics
DNA offers a new look at how Polynesia was settled
Modern genetic evidence suggests that statue builders on islands such as Rapa Nui, also known as Easter Island, had a shared ancestry.
- Health & Medicine
By taking on poliovirus, Marguerite Vogt transformed the study of all viruses
She pioneered the field of molecular virology with her meticulous lab work and “green thumb” for tissue culture.
- Paleontology
Fossil tracks may reveal an ancient elephant nursery
Fossilized footprints at a site in Spain include those of an extinct elephant’s newborns, suggesting the animals may have used the area as a nursery.
- Animals
Some birds learn to recognize calls while still in their eggs
For over a decade, behavioral ecologist Diane Colombelli-Négrel and colleagues have been studying how birds perceive sounds before hatching.
- Humans
Fossils and ancient DNA paint a vibrant picture of human origins
Paleoanthropologists have sketched a rough timeline of how human evolution played out, centering the early action in Africa.
- Agriculture
Potty-trained cattle could help reduce pollution
About a dozen calves have been trained to pee in a stall. Toilet training cows on a large scale could cut down on pollution, researchers say.
- Animals
Mary Roach’s new book ‘Fuzz’ explores the ‘criminal’ lives of animals
In “Fuzz: When Nature Breaks the Law,” author Mary Roach profiles mugging monkeys, thieving bears and other animal outlaws.
- Life
A beautiful oak leaf portrait won the 2021 Nikon Small World photography contest
The annual competition showcases otherworldly photos that capture microscopic features of nature and science.
