Many Americans can trace some lines of their family tree back to the 1600s. However, African Americans descended from enslaved Africans, who began arriving in North America in 1619, lack ancestral information spanning several ...
Biotechnology
Jul 6, 2023
0
89
A new study indicates that one of the largest of the Indigenous language families in Latin America originated in the sixth century BCE in the basin of the Rio Tapajós and Rio Xingu, near the present-day city of Santarém ...
Archaeology
Jun 15, 2023
0
544
Plants existed on Earth for hundreds of millions of years before the first flowers bloomed. But when flowering plants did evolve, more than 140 million years ago, they were a huge evolutionary success.
Evolution
Jun 6, 2023
0
79
Risk assessment instruments (RAIs) are widely used to inform high-stakes decision-making in the criminal justice system and other areas, such as health care and child welfare. These tools typically assume a relation between ...
Social Sciences
Jun 5, 2023
0
41
A large-scale study to see if politically partisan cues can induce people to get COVID-19 vaccines found that, yes, they can.
Social Sciences
May 26, 2023
0
88
The words different cultures use to describe family members have revealed some intriguing insights—including why in Balto-Slavic languages there is a complicated relationship between in-laws and weasels.
Social Sciences
May 24, 2023
0
30
Collagen is the protein that holds our body together. It is produced inside cells, from where it must be transported to its site of action in connective tissue. The protein domain that is responsible for the recognition of ...
Biochemistry
May 22, 2023
0
7
While some ambitious high school students may load up on extracurricular activities to help them get into college, a new study suggests they may be trying too hard.
Social Sciences
Apr 24, 2023
0
138
By studying green algae in Swedish lakes, a research team, led by Lund University in Sweden, has succeeded in identifying which environmental conditions promote multicellularity. Published in the journal Nature Ecology & ...
Evolution
Apr 24, 2023
0
22
The first institution we experience in life is family. As long as humans have existed, they have gathered in groups in order to survive—to pass down knowledge, lend protection, and form bonds. Not only does the institution ...
Social Sciences
Apr 20, 2023
0
40
