Ecosystems
- 			 Animals AnimalsScientists’ tags on fish may be leading seals to lunchIn an experiment, 10 young grey seals learned to associate the sound of a pinging tag with fish. The tags may make fish vulnerable to predators, scientists say. 
- 			 Environment EnvironmentSpiders enlisted as pollution sensors for riversHunting arachnids provide a better picture of chemical threats to food web. By Beth Mole
- 			 Life LifeA little good news for giant tortoises in the GalapagosThe giant tortoise population on the Galapagos island of Española is on the rebound, but there are still concerns about other markers of conserving the endangered species. 
- 			 Animals AnimalsSouthern birds may be moving into your winter backyardA warming climate is letting warm-adapted birds live farther north in winter, a new study finds. 
- 			 Genetics GeneticsYeast smell underpins partnership with fruit fliesYeast make fruity aromas that draw flies, which disperse the fungi. Researchers reveal the gene that underpins the mutually beneficial relationship. 
- 			 Ecosystems EcosystemsHelp scientists find floating forests of kelpBy looking for signs of kelp in satellite images, citizen scientists can help researchers keep track of the world’s seaweed forests. 
- 			 Environment EnvironmentHuman ingenuity takes on Mother Nature in ‘The Big Ratchet’Geographer Ruth DeFries explains how technological innovations have allowed humans to overcome environmental challenges throughout history. 
- 			 Animals AnimalsInvasive rabbitfish team up to raze algal forestsTropical rabbitfish have expanded into temperate Mediterranean waters, where they destroy algae forests by gobbling both young and adult algae. 
- 			 Animals AnimalsEven on remote islands, busy ports mean more invasivesIslands with lots of trading ties are more likely to be colonized by invasive species, even when they are geographically remote, a new study of anoles reveals. 
- 			 Life LifeFledgling birds change rules for caterpillar colorAn unusual experiment shows that larvae lose the advantage of warning colors during the seasonal flush of naïve predators. By Susan Milius
- 			 Ecosystems Ecosystems‘Where Do Camels Belong?’ explores invasive speciesEcologist Ken Thompson takes a closer look at the impacts (or lack thereof) of invasive species. 
- 			 Ecosystems EcosystemsArtifacts, fossils tell story of changes to Egypt’s animalsAncient Egyptian artifacts and fossils from the Nile Valley show a correlation between species extinctions and a growing human population in a drying climate.