Biology

Life on Earth started after meteorites splashed into warm little ponds

Life on Earth started after meteorites splashed into warm little ponds

Life on Earth began somewhere between 3.7 and 4.5 billion years ago, after meteorites splashed down and leached essential elements into warm little ponds,...
Biologists identify possible new strategy for halting brain tumors

Biologists identify possible new strategy for halting brain tumors

MIT biologists have discovered a fundamental mechanism that helps brain tumors called glioblastomas grow aggressively. After blocking this mechanism in mice, the researchers were able...
'Zombie ant' brains left intact by fungal parasite

‘Zombie ant’ brains left intact by fungal parasite

A fungal parasite that infects ants and manipulates their behavior to benefit the fungus' reproduction accomplishes this feat without infecting the ants' brains, according...
Sheep can recognize human faces from photographs

Sheep can recognize human faces from photographs

Sheep can be trained to recognize human faces from photographic portraits - and can even identify the picture of their handler without prior training...
Biologists identify key step in lung cancer evolution

Biologists identify key step in lung cancer evolution

Blocking the transition to a more aggressive state could offer a new treatment strategy. Lung adenocarcinoma, an aggressive form of cancer that accounts for about...
A little stress is good for cellular health and longevity

A little stress is good for cellular health and longevity

Northwestern University molecular bioscientists have discovered that a little stress can be good for cellular health. The findings will help researchers better understand the molecular...
Mapping the microbiome of everything

Mapping the microbiome of everything

In the Earth Microbiome Project, an extensive global team collected more than 27,000 samples from numerous, diverse environments around the globe. They analyzed the unique...
Humans don't use as much brainpower as we like to think

Humans don’t use as much brainpower as we like to think

Animals had energy-hungry brains long before we did For years, scientists assumed that humans devote a larger share of their daily calories to their brains...
How this worm survived 18 million years without sex

How this worm survived 18 million years without sex

Scientists have sequenced the genome of a tiny worm that belongs to a group of exclusively asexual species. This group originated approximately 18 million years...
How chromosomes 'cheat' for the chance to get into an egg

How chromosomes ‘cheat’ for the chance to get into an egg

Each of your cells contains two copies of 23 chromosomes, one inherited from your father and one from your mother. Theoretically, when you create a...