Natural selection alters genes that control roundworms' sense of smell
Charles Darwin was right.
Evolution
Sep 26, 2019
0
62
News tagged with food availability
Fluctuating environment may have driven human evolution
A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers University.
Earth Sciences
Dec 24, 2012
61
0
Scientists use genetics, climate reconstructions to track global spread of modern humans out of Africa
(Phys.org)—Research indicates the out-of-Africa spread of humans was dictated by the appearance of favourable climatic windows.
Archaeology
Sep 17, 2012
7
0
Blue and great tits deploy surprisingly powerful memories to find food, finds study
Blue and great tits recall what they have eaten in the past, where they found the food and when they found it, a new study shows. In the first experiment of its kind to involve wild animals, blue and great tits demonstrated ...
Plants & Animals
Jul 3, 2024
0
22
How brown rats crawled off ships and conquered North American cities
Brown rats are the undisputed winners of the real rat race. New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent rivals—going on to infuriate ...
Plants & Animals
Apr 3, 2024
0
191
Study suggests starvation decimated gray whales off the Pacific Coast: Can the giants ever recover?
When large numbers of gray whales began washing up along North America's Pacific Coast nearly six years ago, marine scientists could only speculate on the reason: Was it disease? Ocean pollution? Increasing ship collisions?
Plants & Animals
Mar 28, 2024
0
114
New study shows mother chimps play with their offspring through good times and bad
When it comes to nurturing their young, mother chimpanzees go the extra mile, according to a new study. Using 10 years of observational data on wild chimpanzees, researchers found that while adults often play, and young chimps ...
Plants & Animals
Mar 14, 2024
0
15
In an interconnected world, managing and perceiving risk is key, experts say
The world is becoming increasingly interconnected, which has many benefits. Shoppers in Colorado, for instance, can enjoy tropical fruits in the dead of winter, thanks to vast and complex trade networks.
Environment
Feb 28, 2024
0
22
AI sorts public photos to show recovering pacific humpback whales hit climate ceiling
Scientists have found that recovering humpback whales in the North Pacific are now responding to shifts in food availability affected by climate change. They drew the conclusion from thousands of whale photographs submitted ...
Plants & Animals
Feb 28, 2024
0
20
Climate change could push bowhead whales to cross paths with shipping traffic
The population of bowhead whales that migrates between the Bering and Beaufort Seas each year is a conservation success story, with today's population nearing—if not exceeding—pre-commercial whaling numbers. But climate ...
Plants & Animals
Feb 21, 2024
0
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