Ancient migration was choice, not chance

Cortez Deacetis

IMAGE: A candidate bamboo craft for the Ryukyu migration built for a re-enactment of that crossing. view more  Credit: © 2020 Yosuke Kaifu The degree of intentionality behind ancient ocean migrations, such as that to the Ryukyu Islands between Taiwan and mainland Japan, has been widely debated. Researchers used satellite-tracked buoys […]

When Same-Sex Mating Makes Reproductive Sense

Cortez Deacetis

When a male sand-sifting sea star in the coastal waters of Australia reaches out a mating arm to its closest neighbor, in some cases that neighbor is also male. Undaunted, the pair think their species’ pseudocopulation placement and forge forward with spawning. Mating, pseudo or or else, with a very […]