Plants & Animals news

Optimized by Evolution, Ants Don't Have Traffic Jams

Optimized by Evolution, Ants Don't Have Traffic Jams

Biology / Plants & Animals

created Mar 30, 2009 | popularity 4 / 5 (21) | comments 17

(PhysOrg.com) -- As highway traffic increases, you'd probably expect a traffic jam, where vehicles slow down due to the high density. While traffic jams are a common occurrence on our highways, high density ...


Caltech scientists discover aggression-promoting pheromone in flies

Scientists discover aggression-promoting pheromone in flies (w/ Video)

Biology / Plants & Animals

created Dec 06, 2009 | popularity 4.1 / 5 (9) | comments 1

Have you ever found yourself struggling to get your order taken at a crowded bar or lunch counter, only to walk away in disgust as more aggressive customers elbow their way to the front? It turns out that ...


Lymnaea stagnalis

Right/left handedness of snails changed in the lab

Biology / Plants & Animals

created Nov 30, 2009 | popularity 4.7 / 5 (6) | comments 2

(PhysOrg.com) -- Like most animals, snails have either left- or right-handed asymmetry (chirality), both internally and externally, and the handedness is hereditary. A new study has for the first time found ...


Hammerhead shark

Wide heads give hammerheads exceptional stereo view

Biology / Plants & Animals

created Nov 27, 2009 | popularity 4.6 / 5 (10) | comments 4

Hammerhead sharks are some of the Ocean's most distinctive residents. 'Everyone wants to understand why they have this strange head shape,' says Michelle McComb from Florida Atlantic University. One possible ...


Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss

Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss (w/ Video)

Biology / Plants & Animals

created Nov 22, 2009 | popularity 4.9 / 5 (15) | comments 0

Census of Marine Life scientists have inventoried an astonishing abundance, diversity and distribution of deep sea species that have never known sunlight - creatures that somehow manage a living in a frigid ...


Angraecum sesquipedale ('Comet Orchid')

The evolution of orchids

Biology / Plants & Animals

created Nov 19, 2009 | popularity 4.8 / 5 (8) | comments 4

(PhysOrg.com) -- Charles Darwin and many other scientists have long been puzzled by the evolution of orchids, the largest and most diverse family of flowering plants on Earth. Now genetic sequencing is giving ...


Extinct goat Myotragus balearicus

Extinct goat was cold-blooded

Biology / Plants & Animals

created Nov 18, 2009 | popularity 4.9 / 5 (39) | comments 11

(PhysOrg.com) -- An extinct goat that lived on a barren Mediterranean island survived for millions of years by reducing in size and by becoming cold-blooded, which has never before been discovered in mammals.


Bigger not necessarily better, when it comes to brains

Bigger not necessarily better, when it comes to brains

Biology / Plants & Animals

created Nov 17, 2009 | popularity 4.5 / 5 (19) | comments 12

(PhysOrg.com) -- Tiny insects could be as intelligent as much bigger animals, despite only having a brain the size of a pinhead, say scientists at Queen Mary, University of London.


Red Sea coral seen to feed on jellyfish

Red Sea coral seen to feed on jellyfish

Biology / Plants & Animals

created Nov 17, 2009 | popularity 4.5 / 5 (12) | comments 2

(PhysOrg.com) -- Corals depends on the products of photosynthetic algae for most of their food, but they also eat tiny plankton. Now, for the first time, there is evidence of a coral eating jellyfish.


The creature was found at a depth of 161 metres

Japanese researchers film rare baby fish 'fossil'

Biology / Plants & Animals

created Nov 17, 2009 | popularity 4.7 / 5 (7) | comments 4

Japanese marine researchers said Tuesday they had found and successfully filmed a young coelacanth -- a rare type of fish known as "a living fossil" -- in deep water off Indonesia.


Africa's rarest monkey had an intriguing sexual past, DNA study confirms

Africa's rarest monkey had an intriguing sexual past, DNA study confirms

Biology / Plants & Animals

created Nov 11, 2009 | popularity 4.7 / 5 (7) | comments 0

The most extensive DNA study to-date of Africa's rarest monkey reveals that the species had an intriguing sexual past. Of the last two remaining populations of the recently discovered kipunji, one population ...


Warm-blooded dinosaurs worked up a sweat

Warm-blooded dinosaurs worked up a sweat

Biology / Plants & Animals

created Nov 11, 2009 | popularity 5 / 5 (5) | comments 1

(PhysOrg.com) -- Were dinosaurs endothermic (warm-blooded) like present-day mammals and birds or ectothermic (cold-blooded) like present-day lizards? The implications of this simple-sounding question go beyond ...


Caught in the act: Butterfly mate preference shows how 1 species can become 2

Caught in the act: Scientists find butterflies splitting into two species

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.5 / 5 (8) | comments 5

(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.


Water Striders Mating

Mom was right: Why nice guys usually get the girls

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.6 / 5 (9) | comments 1

(PhysOrg.com) -- Female water striders often reject their most persistent and aggressive suitors and prefer the males who aren't so grabby, according to new research. Water striders are insects commonly seen ...


sabertoothed cats

Male sabertoothed cats were pussycats compared to macho lions

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.2 / 5 (6) | comments 0

Despite their fearsome fangs, male sabertoothed cats may have been less aggressive than many of their feline cousins, says a new study of male-female size differences in extinct big cats.