科学与环境
How human ideas evolve: Technical progress may not require weeding out weaker designs
来源: Phys.org - latest science and technology news stories · 发布于
Human culture evolves similarly to living organisms, but unlike biology, human creativity can accumulate improvements at an incredible speed. But how exactly does the process of transmitting and modifying ideas between people work?
Human culture evolves similarly to living organisms, but unlike biology, human creativity can accumulate improvements at an incredible speed. But how exactly does the process of transmitting and modifying ideas between people work?
相关报道
Where are all the males? Ancient human fossils reveal a startling mystery
A remarkable discovery in a South African cave suggests that an extinct human relative may have created an all-female burial site more than 240,000 years ago. Scientists analyzed ancient proteins preserved in Homo naledi teeth and found no male-specific markers among at least 20
All Top News -- ScienceDaily ·
Human bodies produce 2 billion metric tons of CO2 a year just by staying alive
Humans collectively produce more than 2 billion tonnes of carbon dioxide annually just by turning food into energy, a 74% increase over three decades largely driven by population growth. Unlike fossil fuel emissions, however, the CO2 we exhale is part of the natural carbon cycle,
All Top News -- ScienceDaily ·
High water, high rents: Poorest residents pay the most for climate adaptation
As cities worldwide adapt to extreme weather, climate adaptation must prevent people from wading through flooded streets in the future. But the costs are not equally shared. A study from the University of Copenhagen shows that climate adaptation policies may even make social ineq
Phys.org - latest science and technology news stories ·
Space dust particles point to ancient heavy-oxygen water reservoir in the Kuiper belt
Way out past the asteroid belt, another belt encircles the planets in our solar system. The Kuiper belt, beyond Neptune, preserves icy bodies that escaped much of the processing experienced by objects closer to the sun. Unlike the rocky and metallic asteroid belt, Kuiper belt obj
Phys.org - latest science and technology news stories ·
Transparency in earnings calls does not guarantee equal access to information
The specialized language used by analysts and management in listed companies' Q&A sessions can be challenging for individual investors to follow. However, Kaisa Penttinen's doctoral dissertation in accounting at the University of Vaasa, Finland, shows these sessions still deliver
Phys.org - latest science and technology news stories ·