Biology

Microbes evolved to colonize different parts of the human body

Microbes evolved to colonize different parts of the human body

As the human species evolved over the last six million years, our resident microbes did the same, adapting to vastly different conditions on our...
Mystery of how sperm swim revealed in mathematical formula

Mystery of how sperm swim revealed in mathematical formula

Researchers have developed a mathematical formula based on the rhythmic movement of a sperm's head and tail, which significantly reduces the complexities of understanding...
Asian flu strains can enter North America through Alaska

Asian flu strains can enter North America through Alaska

A new paper from an MIT-led team demonstrates that Alaska can offer a significant foothold for Asian flu viruses, enabling them to enter North...
New role for immune cells in preventing diabetes and hypertension

New role for immune cells in preventing diabetes and hypertension

Immune cells which are reduced in number by obesity could be a new target to treat diseases such as type 2 diabetes and hypertension...
Nose form was shaped by climate

Nose form was shaped by climate

Big, small, broad, narrow, long or short, turned up, pug, hooked, bulbous or prominent, humans inherit their nose shape from their parents. But ultimately, the...
Can we reverse aging by tweaking our biological machinery

Can we reverse aging by tweaking our biological machinery?

Humans have been looking for ways to cheat death for centuries. And while we’ve succeeded in extending our life span, many people suffer ill...
Study suggests complex life was present on Earth 2.33 billion years ago

Study suggests complex life was present on Earth 2.33 billion years ago

New estimate predates earliest fossil evidence by 800 million years. An exhaustive genetic analysis of modern-day organisms has revealed new insights into Earth’s earliest forms...
World's oldest plant-like fossils discovered

World’s oldest plant-like fossils discovered

Scientists at the Swedish Museum of Natural History have found fossils of 1.6 billion-year-old probable red algae. The spectacular finds, publishing in PLOS Biology, indicate...
Visualizing the genome: Researchers create first 3-D structures of active DNA

Visualizing the genome: Researchers create first 3-D structures of active DNA

Scientists have determined the first 3D structures of intact mammalian genomes from individual cells, showing how the DNA from all the chromosomes intricately folds...
After Deepwater Horizon spill

After Deepwater Horizon spill: Which animals weathered the disaster

A new study has found which birds, fish, insects and other animals affected by the Deepwater Horizon explosion should be given top priority for...