Sperm Whales Confirmed as the Origin of Jetsam Ambergris
Sperm Whales Confirmed as the Origin of Jetsam Ambergris
Preserved DNA extracted from the rock-like digestive blobs may offer insights into whale ecology.
Sperm Whales Confirmed as the Origin of Jetsam Ambergris
Sperm Whales Confirmed as the Origin of Jetsam Ambergris

Preserved DNA extracted from the rock-like digestive blobs may offer insights into whale ecology.

Preserved DNA extracted from the rock-like digestive blobs may offer insights into whale ecology.

digestion
Metabolism Hits a Ceiling in Athletic Endurance Feats
Metabolism Hits a Ceiling in Athletic Endurance Feats
Shawna Williams | Jun 5, 2019
In long-distance, physically taxing events, the amount of energy athletes can expend appears to peak at about 2.5 times their metabolic resting rate—a maximum likely dictated by how many calories they can digest.
Productivity Paradox
Productivity Paradox
Jim Daley | May 31, 2018
During the last ice age, there wasn’t much plant matter to eat on northern steppes, but herbivorous woolly mammoths were abundant. How did they survive?
Gut Bugs to Brain: You’re Stuffed
Gut Bugs to Brain: You’re Stuffed
Kerry Grens | Nov 24, 2015
Bacteria in the intestine produce proteins that stop rodents from eating.
Bile Benefits
Bile Benefits
Ruth Williams | Oct 31, 2015
Diverting the bile duct around a long stretch of the small intestine could treat obesity without cutting out chunks of the digestive tract.
How a Popular Probiotic Works
How a Popular Probiotic Works
Kerry Grens | Apr 16, 2015
Eating a type of bacterium encourages the activity of other gut microbes, according to a small study.
Spew, Fly, Don’t Bother Me
Spew, Fly, Don’t Bother Me
Kate Yandell | Oct 3, 2013
The frequent regurgitation practiced by flies as they ingest and digest food yields densely detailed paintings.