科学与环境

Nuclear traces in whales' teeth help scientists reconstruct their life stories

来源: Phys.org - latest science and technology news stories · 发布于

Nuclear traces in whales' teeth help scientists reconstruct their life stories
来源: Phys.org - latest science and technology news stories

New analysis of traces of radioactive fallout from nuclear weapons testing trapped in the teeth of stranded whales has helped scientists reconstruct their life stories.

New analysis of traces of radioactive fallout from nuclear weapons testing trapped in the teeth of stranded whales has helped scientists reconstruct their life stories.

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Techno-optimistic scientists take fewer climate actions, study finds
科学与环境

Techno-optimistic scientists take fewer climate actions, study finds

Scientists who believe technology will largely solve the problems caused by climate change are 23% less likely to engage in civic climate action and 18% less likely to make high-impact lifestyle changes compared with scientists who disagree with this belief.

Phys.org - latest science and technology news stories ·

Scientists changed how zoo lions eat. Their wild side came out
科学与环境

Scientists changed how zoo lions eat. Their wild side came out

Giving zoo lions whole carcasses on a feast-and-fast schedule appears to bring out more natural behavior. The lions spent nearly three times longer feeding, engaged in more tearing and manipulating of food, and rested more heavily after meals. Their activity then increased gradua

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Scientists say this simple habit could strengthen your marriage
科学与环境

Scientists say this simple habit could strengthen your marriage

Couples who exercise together report better communication, healthier conflict resolution, and lower marital stress than those who work out alone. Even something as simple as taking a walk together may create valuable opportunities to talk, listen, and feel more connected.

All Top News -- ScienceDaily ·

Scientists finally see how nature moves energy so efficiently
科学与环境

Scientists finally see how nature moves energy so efficiently

Researchers have captured key steps in a chemical reaction that helps nature transfer energy with remarkable efficiency. Ultrafast X-rays revealed how changes involving electrons and protons are closely linked to the rearrangement of surrounding water molecules. Because similar r

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Scientists just found a new way to make hydrogen from water
科学与环境

Scientists just found a new way to make hydrogen from water

A new light-activated material can efficiently produce hydrogen from water without requiring an additional expensive metal catalyst. Researchers say its unusual sulfur-based chemistry could point toward cheaper and more practical ways to turn sunlight into clean fuel.

All Top News -- ScienceDaily ·