immunology, evolution, ecology, genetics & genomics
Great Barrier Reef Experienced Five Massive Die-Offs in 30,000 Years
Great Barrier Reef Experienced Five Massive Die-Offs in 30,000 Years
Catherine Offord | May 28, 2018
The reef has bounced back from “death events” in the past, but that doesn’t mean it will be resilient over the next few decades.
Arizona Moves to Alter Wording About Evolution in Education
Arizona Moves to Alter Wording About Evolution in Education
Catherine Offord | May 25, 2018
Proposed changes to the state’s school science standards would emphasize that parts of the theory are “not proven.”
Present-Day Arboreal Birds Have Ground-Dwelling Past
Present-Day Arboreal Birds Have Ground-Dwelling Past
Sukanya Charuchandra | May 24, 2018
A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.  
What Made Human Brains So Big?
What Made Human Brains So Big?
Ashley Yeager | May 24, 2018
Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.
Animals’ Embryonic Organizer Now Discovered in Human Cells
Animals’ Embryonic Organizer Now Discovered in Human Cells
Jim Daley | May 23, 2018
The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.
Conservation Biologist Ben Collen Dies of Bone Cancer
Conservation Biologist Ben Collen Dies of Bone Cancer
Shawna Williams | May 22, 2018
The University College London researcher investigated how environmental pressures affect animals.
Newly Described Salamander Species Nearly Extinct
Newly Described Salamander Species Nearly Extinct
Sukanya Charuchandra | May 21, 2018
The Chinese giant salamander is not one but five different species.
Zoo Pregnancy Raises Hopes of Preserving White Rhinos
Zoo Pregnancy Raises Hopes of Preserving White Rhinos
Ashley Yeager | May 18, 2018
Victoria, a southern white rhino at the San Diego Zoo, was impregnated by artificial insemination on March 22 and, if all goes well, will birth the calf in summer 2019.
Image of the Day: <em>Xenopus</em> Pigment
Image of the Day: Xenopus Pigment
The Scientist Staff | May 18, 2018
Researchers recently used CRISPR single-guide RNAs to alter genes involved in pigmentation in frog embryos.
Lizards’ Green Blood Evolved Four Times
Lizards’ Green Blood Evolved Four Times
Kerry Grens | May 16, 2018
The uncommon hue is present in skinks that aren’t closely related, but the advantage of the odd trait remains anyone’s guess.