If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the journal Nature shows that Japanese people--but not North Americans--have what it takes to eat their sushi, and digest it, too. [Jan-Hendrik Hehemann et al, http://bit.ly/bqsLjS ] [More]

Whisking quietly through the night, around buildings, trees and even branches, bats have a keen sense of their surroundings despite darkness. Researchers have known for decades that bats use their sonar-like echolocation to "see" potential obstacles as well as prey. But bats' execution of their airborne acrobatics often got scientists wondering just how they could be so specific--even while moving at high speeds through dense vegetation. [More]

Whisking quietly through the night, around buildings, trees and even branches, bats have a keen sense of their surroundings despite darkness. Researchers have known for decades that bats use their sonarlike echolocation to "see" potential obstacles as well as prey. But bats' execution of their airborne acrobatics often got scientists wondering just how they could be so specific--even while moving at high speeds through dense vegetation. [More]

Whisking quietly through the night, around buildings, trees and even branches, bats have a keen sense of their surroundings despite darkness. Researchers have known for decades that bats use their sonarlike echolocation to "see" potential obstacles as well as prey. But bats' execution of their airborne acrobatics often got scientists wondering just how they could be so specific--even while moving at high speeds through dense vegetation. [More]

Even if a grown man could pull 95,000 kilograms, he still would get shown up by the newly crowned world's strongest insect--proportionally speaking. [More]

Even if a grown man could pull 95,000 kilograms, he still would get shown up by the newly crowned world's strongest insect--proportionally speaking. [More]

Sea horses and their cousins in the syngnathid group are the only known animals in which the male gets pregnant and bears the offspring . In these unusual reproductive circumstances, however, the next generation often does not thrive--or even survive. [More]