Slideshow: Solving a Gray Whale Murder Mystery
Slideshow: Solving a Gray Whale Murder Mystery
One way to investigate the record-setting deaths of the marine mammals is to perform autopsies on them, but researchers are also taking a close look at living whales for clues to what could be killing them.
Slideshow: Solving a Gray Whale Murder Mystery
Slideshow: Solving a Gray Whale Murder Mystery

One way to investigate the record-setting deaths of the marine mammals is to perform autopsies on them, but researchers are also taking a close look at living whales for clues to what could be killing them.

One way to investigate the record-setting deaths of the marine mammals is to perform autopsies on them, but researchers are also taking a close look at living whales for clues to what could be killing them.

para-aminosalicylic acid, developmental biology, ecology
model organism, zebrafish, sponge, cell &molecular biology, genetics & genomics, enhancer, transcription, non-coding DNA, gene regulation, evolution
Regulators of Gene Activity in Animals Are Deeply Conserved
Amanda Heidt | Nov 6, 2020
Enhancers, short regions of DNA that direct gene expression, of species separated by 700 million years of evolution worked interchangeably, according to a new study.
Can Rewilding Large Predators Regenerate Ecosystems?
Katarina Zimmer | Nov 1, 2020
As some conservationists and researchers begin to return large carnivores to areas where they once roamed, scientists intensify efforts to study the ecological roles of predators.
Slideshow: How Ecologists Study the World’s Apex Predators
Katarina Zimmer | Nov 1, 2020
A global decline of large carnivores has motivated scientists to understand the animals’ ecological roles, and consider whether reintroducing them can help restore ecosystems.
Tropical Birds Differ in Their Responses to Drought
Shawna Williams | Nov 1, 2020
Long-lived species decrease their reproduction more than short-lived species in response to lower-than-normal precipitation, and thereby gain a survival advantage, a study finds.
Infographic: Herbivore Dung Nutrients Vary Across the Savanna
Catherine Offord | Nov 1, 2020
In South Africa, the composition of droppings varies by species’ body sizes, and which animals are found where depends on vegetation density.
Infographic: Investigating Whale Strandings Along the North American Coast
Ashley Yeager | Nov 1, 2020
Knock-on effects of melting sea ice in the Arctic may be to blame for a spate of gray whale deaths along their migration route from Mexico to Alaska.
Clues Point to Climate Change as a Culprit in Gray Whale Deaths
Ashley Yeager | Nov 1, 2020
For the past two years, the charismatic marine mammals have washed up on Pacific shores in record numbers. Scientists investigating the strandings suspect warming waters and melting sea ice are partly to blame.
Infographic: How Large Carnivores Sculpt Ecosystems
Katarina Zimmer | Nov 1, 2020
The release of gray wolves in Yellowstone decades ago still stands as one of the few examples of a predator reintroduction, and the lessons learned continue to be debated. New projects aim to do it again.
Chelsea Wood Tracks Parasites Around the World
Amanda Heidt | Nov 1, 2020
The University of Washington parasite ecologist aims to understand how humans have changed the diversity and abundance of the enigmatic and misunderstood organisms.
Conservation Biology Icon Georgina Mace Dies at 67
Lisa Winter | Oct 2, 2020
Mace led the work to determine the criteria for the IUCN’s Red List.
Pandemic Shutdown Altered Bay Area Birdsongs
Ruth Williams | Sep 24, 2020
As shelter-in-place orders quieted the city of San Francisco, its sparrow population developed softer, sexier songs.
an old wooden barn near charred grassland
Field Research Sites Damaged as Fires Ravage West Coast
Shawna Williams | Sep 11, 2020
Flames and smoke have killed dozens of people over the past month and burned hundreds of thousands of acres, causing massive disruptions.
Infographic: Anatomical Construction by Cell Collectives
Michael Levin | Sep 1, 2020
Understanding this complex and still largely enigmatic process will pave the way for researchers to control the development of new morphologies.
How Groups of Cells Cooperate to Build Organs and Organisms
Michael Levin | Sep 1, 2020
Understanding biology’s software—the rules that enable great plasticity in how cell collectives generate reliable anatomies—is key to advancing tissue engineering and regenerative medicine.
elephant herbivore extinction risk predator omnivore iucn red list
Risk of Extinction Is Greatest for Large Herbivores: Study
Ruth Williams | Aug 5, 2020
Data on vertebrate species that have become, or are likely to become, extinct reveal plant eaters are most under threat.
Gene Splicing Pioneer Dale Kaiser Dies
Ashley Yeager | Jun 29, 2020
Working with a virus that infects bacteria, the Stanford University biochemist and developmental biologist helped to develop a way to stitch DNA together, a discovery that gave rise to genetic engineering.
mcmurdo station antarctica nsf national science foundation research coronavirus pandemic covid-19 british antartic survey
Coronavirus Precautions Stall Antarctic Field Research
Amanda Heidt | Jun 15, 2020
The upcoming summer research season has been suspended amid the COVID-19 pandemic.
How Squirrels Use Bird Chatter to Assess Safety
Shawna Williams | Jun 1, 2020
An undergraduate research project finds the animals are tuned in to reassuring information from other species.
How a Pea Aphid Decides to Make Wings or Not
Viviane Callier | Jun 1, 2020
Wing development in females is environmentally controlled, but in males, an insertion on the sex chromosome appears to dictate whether the insects grow wings, according to a study.