Researchers analyze THC in breath of cannabis smokers

Most states in the U.S. allow people to use cannabis for medical or recreational purposes. Yet all states want their roadways to be safe. A breathalyzer that can accurately identify people who recently smoked cannabis might ...

Nudging donors toward more effective giving

Americans are generous when it comes to charitable giving, donating more than $480 billion in 2021 (or roughly 2% of GDP). Yet very few of those dollars reflect so-called effective giving, a term for donations that make greater ...

Chlorophyll may biochemically recycle antioxidants

Chlorophyll, the green molecule that makes photosynthesis possible, may provide underappreciated dietary benefits, offering up yet one more reason to eat those leafy green vegetables.

Scientists identify key mechanism controlling skin regeneration

It's sunburn season. Many of us have experienced the pain and peeling that comes from unprotected time in the sun, but we may not focus on a remarkable and vital part of the process: the regeneration of skin as the damaged ...

Turning pollen into 3D printing ink for biomedical applications

Scientists at Nanyang Technological University, Singapore (NTU Singapore) have found a way to use sunflower pollen to develop a 3D printing ink material that could be used to fabricate parts useful for tissue engineering, ...

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