Homo sapiens means wise human, but the name no longer suits us. As an evolutionary biologist who writes about Darwinian interpretations of human motivations and cultures, I propose that at some point we became what we are ...
Evolution
May 2, 2019
0
235
Biologists have long hoped to understand the nature of the earliest living organisms on Earth. If they could, they might then be able to say something about how, when, and where life arose on Earth, and perhaps by extension, ...
Evolution
Apr 22, 2020
4
466
Plants that live in the soil don't live alone -- a mere teaspoon of soil teems with an estimated billion microscopic organisms.
Cell & Microbiology
Sep 8, 2009
0
0
Growing up in a small community has its advantages, but if you want to learn from world experts, you may have better luck in a big city. This is the case in the world of birds as well. Large populations of birds might be ...
Evolution
Apr 29, 2022
0
75
The largest mammal that ever walked the Earth -- Indricotherium transouralicum, a hornless rhinoceros-like herbivore that weighed approximately seventeen tons and stood about eighteen feet high at the shoulder -- lived in ...
Evolution
Nov 25, 2010
5
0
If you've ever tried to stick tape to a dusty surface, you know the dilemma most spiders face when trying to catch moths. Moth wings are covered in tiny scales that slough off at a touch, allowing moths to escape dangers ...
Plants & Animals
Jan 29, 2020
0
414
Evolution has long been viewed as a rather random process, with the traits of species shaped by chance mutations and environmental events—and therefore largely unpredictable.
Plants & Animals
Jul 18, 2022
1
1271
What does it mean to be male or female in the animal kingdom? How do our own gender differences compare with those of other animals? Why do adult male elephant seals weigh more than four times as much as an adult female? ...
Plants & Animals
Jun 11, 2013
0
0
Evolutionary biologists at Johns Hopkins Medicine report they have combined PET scans of modern pigeons along with studies of dinosaur fossils to help answer an enduring question in biology: How did the brains of birds evolve ...
Plants & Animals
Jan 30, 2024
0
715
How do the communities of microbes living in our gastrointestinal systems affect our health? Carnegie's Will Ludington was part of a team that helped answer this question.
Molecular & Computational biology
Jul 2, 2019
0
1
