Life
- Paleontology
Clearer picture emerging of dinosaurs’ last days
Dinosaurs’ final days may have included both a giant asteroid and gradual species die outs. Two new studies paint an increasingly intricate picture of dinosaur’s demise.
By Meghan Rosen - Agriculture
Bacterium still a major source of crop pesticide
Bacillus thuringiensis bacteria have provided pest-fighting toxins for over 50 years.
- Health & Medicine
‘Dirty’ mice better than lab-raised mice for studying human disease
Dirtier mice may better mimic human immune reactions.
- Animals
Cave-dwelling salamander comes pigmented and pale
Something’s funny in the family tree of pale, slinky cave salamanders.
By Susan Milius - Health & Medicine
Clusters of cancer cells get around by moving single file
Clusters of cancer cells squeeze through thin blood vessels by aligning single file.
- Space
Will we know extraterrestrial life when we see it?
Desert varnish and certain minerals hint that life — here and elsewhere — may defy current criteria.
- Animals
Scientists find a crab party deep in the ocean
A trip to check out the biodiversity off the coast of Panama revealed thousands of crabs swarming on the seafloor.
- Science & Society
‘House of Lost Worlds’ opens vaults of renowned natural history museum
'House of Lost Worlds' pays homage to Yale’s Peabody Museum of Natural History and to the colorful scientists who made the museum great.
- Health & Medicine
This week in Zika: Assessing risk, mosquito range, a transmission first and more
Several new reports document Zika infection in U.S. pregnant women, a case of male sexual transmission, the range of Zika-carrying mosquitoes and more.
By Meghan Rosen - Genetics
Gene-edited mushroom doesn’t need regulation, USDA says
A CRISPR-edited mushroom isn’t like other GMOs, the U.S. Department of Agriculture says.
- Animals
Math models predict mysterious monarch navigation
Researchers have come up with a series of equations to predict how monarchs use their eyes and antennae to figure out how to get to Mexico.
- Life
Having worms can be good for the gut
Parasitic worms shift gut microbes and protect against bowel disease.