sexual orientation, ecology, microbiology
Spiders, Prey Leave DNA
Spiders, Prey Leave DNA
Bob Grant | Nov 30, 2015
A study of black widow spiders suggests that the arachnids leave traces of their own genetic material and DNA from prey in their sticky webs.
Agar Shortage Limits Lab Supplies
Agar Shortage Limits Lab Supplies
Kerry Grens | Nov 24, 2015
One large provider says the shortfall should clear up by early 2016.
Blood-Gut Barrier
Blood-Gut Barrier
Ruth Williams | Nov 12, 2015
Scientists identify a barrier in mice between the intestine and its blood supply, and suggest how Salmonella sneaks through it.
Exploring the Inner Universe
Exploring the Inner Universe
Ashley P. Taylor | Nov 6, 2015
A new American Museum of Natural History exhibit introduces visitors to the microbes within their bodies. 
Capsule Reviews
Capsule Reviews
Bob Grant | Nov 1, 2015
The Psychology of Overeating, The Hidden Half of Nature, The Death of Cancer, and The Secret of Our Success
Microbesity
Microbesity
Jenny Rood | Nov 1, 2015
Obesity appears linked to the gut microbiome. How and why is still a mystery—but scientists have plenty of ideas.
Buzzed Honeybees
Buzzed Honeybees
Karen Zusi | Oct 20, 2015
Caffeinated nectar makes bees more loyal to a food source, even when foraging there is suboptimal.
One-Third of Cactus Species Threatened
One-Third of Cactus Species Threatened
Karen Zusi | Oct 6, 2015
A global assessment of declining cacti populations places responsibility on increasing human activities.
Microbiome Meals
Microbiome Meals
Rina Shaikh-Lesko | Oct 1, 2015
Researchers identify a handful of genes that help bacteria in the mouse gut adapt to dietary changes.
Gut Bacteria Linked to Asthma Risk
Gut Bacteria Linked to Asthma Risk
Jef Akst | Oct 1, 2015
Four types of gut bacteria found in babies’ stool may help researchers predict the future development of asthma.