Nature's original bioplastic may have fed animals for hundreds of millions of years
Long before humans discovered biodegradable plastics, microorganisms had already invented their own.
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This week’s new questions
Humans can see water but not air.
Oxytocin nudges distrustful men to invest 15% more in anonymous trust game
In 2005, a research team led by University of Zurich economics professor Ernst Fehr published a study in the journal Nature that provided evidence for the first time that intranasally administered oxytocin can increase trusting behavior in humans. Destaque: 15%.
Why do humans use 'baby voice' when speaking to pets?
Children are playing, people are walking their dogs, and then you hear someone say, "Who's my little sweetie?" You turn around expecting to see a stroller.
X-ray analysis reveals the inner life of leaves while advancing engineering efforts to reduce 'crop sweat'
In the Midwestern summer, humans and plants have to breathe through the heat and humidity.
Humans have a 'highly abundant' number of stable proteins that are not all predicted by genetic code
In 1968, the American biochemist and geneticist Marshall Nirenberg and his colleagues won the Nobel Prize in physiology or medicine for their work deciphering how an organism's proteins are directly linked to its genetic code.
Study centers Indigenous priorities in connections to environment
Washington State University horticulturist Jeffrey Wall partnered with members of the Mi'kmaq First Nations people of Canada to create a new, Indigenous-centered model of the connections that link humans with plants, animals and the environment.
Denisovans may have dwarfed other ancient humans
Two leg bones found on the seabed near Taiwan have been identified as Denisovans, and their size suggests these hominins stood up to 190 centimetres tall.
Study reveals how wind transforms odor signals
Humans trust dogs to help find missing people, and bees to pollinate their crops.
Bernie Sanders calls on Silicon Valley to ‘pause AI development’ in interest of humanity
Progressive US senator urges Meta, OpenAI and Anthropic to ‘stop building machines that humans cannot control’Senator Bernie Sanders has called on Meta, OpenAI and Anthropic executives to halt their development of artificial intelligence, warning that the US Senate will implement
For 15,000 years, humans and dogs have been changing each other
Dogs have been shaping—and being shaped by—humans for about 15,000 years, evolving from early partners of hunter-gatherers into an astonishing range of specialized companions. Across the globe, they adapted alongside people to wildly different environments and needs, from powerfu
How dogs evolved differently across the globe to match human traits
We call them "man's best friend," and the evidence supports it. Dogs have been found buried alongside humans in graves dating back 14,000 years. They appear in ancient art from every continent, and they feature in the mythology, religion and folklore of virtually every culture. A