Life
- Ecosystems
Risky High Life: Mountain creatures prove extra-vulnerable
Some of the species hardest hit by climate change will be those living in particular mountain highlands.
- Plants
Next loosestrife is already loose
A Florida botanist warns against Nymphoides cristata and Rotala rotundifolia, very troublesome escapees from aquariums and water gardens.
- Plants
Misunderstood stripes confuse individuality
In the debate over how many fungi make up one lichen body, a researcher argues for two unrelated fungal species in the same lichen.
- Plants
Everglades plant is he, then she, then he
Sawgrass, the signature plant of the Everglades, switches genders twice during its week of blooming and thus reduces the chances of self- fertilization.
- Ecosystems
Shark Serengeti: Ocean predators have diversity hot spots
The first search for oceanic spots of exceptional diversity in predators has turned up marine versions of the teeming Serengeti plains.
- Paleontology
Three Species No Moa? Fossil DNA analysis yields surprise
Analyses of genetic material from the fossils of large flightless birds called moas suggest that three types of the extinct birds may not be separate species after all.
- Ecosystems
Virtual skylarks suffer weed shortfall
A new mathematical model raises the concern that switching to transgenic herbicide-tolerant crops could deprive birds of weed seeds.
- Animals
Sexual conflict pushes species making
A novel comparison of 25 pairs of insect lineages finds that sexual conflict plays more of a role in making new species than scientists had realized.
- Paleontology
A human migration fueled by dung?
When people made their way from Asia to the Americas, the path they took may have been covered in dung.
- Plants
Emergency Gardening
High-tech tissue culture is helping some ultrarare plants finally have sprouts of their own.
- Animals
Why do two-sex geckos triumph?
Just the smell of an invasive species of gecko suppresses egg laying and subdues aggression in a resident.
- Animals
Maybe what Polly wants is a new toy
Changing the toys in a parrot's cage may ease the bird's tendency to fear new things.
