The quest for a better sunscreen

Many summer days start with slathering on sunscreen to prevent sunburn, skin damage, and skin cancer. A common ingredient in sunscreens is avobenzone, which works by absorbing the sun's ultraviolet rays.

Controlling chemical mirror images

Chirality, while not a rarity in the world of molecules, is nevertheless a special property. If a molecule is chiral (from the Greek word chiros = hand), it exists in two mirrored versions that are very similar but not identical—like ...

Using shrimp shells to construct better composite membranes

Shrimp shells, plant extracts and recycled plastic have helped KAUST researchers to build a sustainable thin-film composite membrane that could replace conventional membranes whose environmental toll is greater.

FDA approves monoclonal antibody to treat arthritis in cats

Arthritis can keep a cat from doing many of the things that kitties love to do. But now there's hope: The first treatment to ease arthritis pain in cats has been approved by the U.S. Food and Drug Administration.

Sri Lanka lifts ban on weedkiller linked to cancer cases

Sri Lanka on Wednesday lifted its partial ban of a weedkiller subject to US lawsuits over claims it causes cancer, after abandoning a campaign to become the world's first completely organic farming nation.

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