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Hair loss is often caused by a combination of heredity and aging, says Dr. Dawn Davis, a Mayo Clinic dermatologist. Treatments that may slow that type of hair loss and help regrow hair, including over-the-counter therapies ...

Faced with another summer when wildfires have scorched millions of hectares of land and blankets of smoke have disrupted daily life nationwide, Canada is trying to limit the annual devastation.

The same overheating problem that happens to our laptops also plagues computer servers and data centers around the world—and heat management is only getting harder as computer chips get more compact and powerful.

Methane is an especially potent greenhouse gas, causing much more warming than carbon dioxide on a unit-for-unit basis—and a new, uniquely long-term study of emissions at a New Jersey landfill suggests that estimates of methane ...

Wildfires are well-known health risks. Now, in a new Frontiers in Environmental Health study, researchers in the U.S. have—for the first time—evaluated how prenatal PM2.5 exposure has changed over space and time on a national ...

All chemistry starts with a push from electrons. In the early moments of a chemical reaction, it's the movement of electrons that initiates the breaking of old chemical bonds and forging of new ones, transforming one molecule ...

Improving the efficiency of solar cells is key to reducing the cost of solar power. Now, scientists have developed a new synergistic metallization strategy for tunnel oxide passivated contact (TOPCon) solar cells. The approach ...

Fusion power plants of the future will not only require extremely hot plasmas and strong magnetic fields but also a fuel cycle in which the hydrogen isotopes deuterium and tritium can be recovered, separated and reused. Together ...

You can spend every day surrounded by other people and still feel lonely. You can also spend long periods alone without finding the experience distressing.

People become more suspicious of a humanoid robot that makes errors, especially when the robot is an expressive conversation partner.

Imagine a bottle of hazardous chemicals sitting on a laboratory shelf that changes its appearance to alert scientists that its lid is not properly secured, potentially preventing a dangerous spill.

For decades, scientists have asserted that the leakage of warm, salty Indian Ocean water south of South Africa into the Atlantic is a major contributor to the Atlantic Meridional Overturning Circulation (AMOC), a component ...