US Officials Order DNA Tests to Reunite Migrant Families
The goal is to expedite the time it takes to bring families together, but immigration advocates say the tests raise concerns about how the government will use the data.
US Officials Order DNA Tests to Reunite Migrant Families
US Officials Order DNA Tests to Reunite Migrant Families

The goal is to expedite the time it takes to bring families together, but immigration advocates say the tests raise concerns about how the government will use the data.

The goal is to expedite the time it takes to bring families together, but immigration advocates say the tests raise concerns about how the government will use the data.

plant biology, ecology, evolution, genetics & genomics
Original North American Dogs Descended From Siberian Populations
Original North American Dogs Descended From Siberian Populations
Catherine Offord | Jul 5, 2018
European settlers likely wiped out these ancient dogs, but the animals seem to have left a lasting legacy in a transmissible canine cancer.
Image of the Day: Warp Speed
Image of the Day: Warp Speed
Sukanya Charuchandra | Jul 5, 2018
Snipefish use a recoil mechanism to feed rapidly.
Image of the Day: Koala Code
Image of the Day: Koala Code
Sukanya Charuchandra | Jul 3, 2018
Scientists have sequenced the koala’s genome.
Geneticist Francisco Ayala Quits After Sexual Harassment Accusations
Geneticist Francisco Ayala Quits After Sexual Harassment Accusations
Kerry Grens | Jul 2, 2018
The University of California, Irvine, which found him guilty of inappropriate behavior, will remove Ayala’s name from buildings and scholarships.
Image of the Day: Beating Heart
Image of the Day: Beating Heart
Sukanya Charuchandra | Jul 2, 2018
Scientists at the Allen Institute for Cell Science have developed an open-source stem cell line with fluorescent tags for cardiac cells.
Infographic: Resurrecting Ancient Proteins
Infographic: Resurrecting Ancient Proteins
Amber Dance | Jul 1, 2018

Learn the basic steps researchers take when reconstructing proteins from the past and how these biomolecules can inform engineering projects.

Hunting Regulations Shape Brown Bears’ Care for Cubs
Hunting Regulations Shape Brown Bears’ Care for Cubs
Ashley Yeager | Jul 1, 2018
Scandinavian mother bears gain a survival advantage by weaning their babies later than normal, analysis of a 30-year dataset suggests.
Why Are Modern Humans Relatively Browless?
Why Are Modern Humans Relatively Browless?
Jim Daley | Jul 1, 2018
The function of early hominins’ enlarged brow ridges, and their reduction in size in Homo sapiens, have puzzled paleoanthropologists for decades.
Amazonians Offer Clues to Human Childhood Development
Amazonians Offer Clues to Human Childhood Development
Shawna Williams | Jul 1, 2018
A study of Shuar children in Ecuador provides a window into how the human body responds to infection in the sorts of conditions that shaped our species’ evolution.