News
- Ecosystems
Bird Dilemma: More seabirds killed when boats discard fewer fish
A long-term study of great skuas shows that when fishing fleets discard less fish, birds that scavenge for waste make up for the loss by increasing attacks on other seabirds.
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Neural Aging Walks Tall: Aerobic activity fuels elderly brains, minds
Moderate amounts of regular walking improve brain function and attention in formerly sedentary seniors.
- Physics
Candy Science: M&Ms pack more tightly than spheres
Squashed or stretched versions of spheres snuggle together more tightly than randomly packed spheres do.
- Animals
Flesh Eaters: Bees that strip carrion also take wasp young
A South American bee that ignores flowers and collects carrion from carcasses has an unexpected taste for live, abandoned wasp young.
