Video: Will it be possible to achieve eternal youth? Maria Blasco thinks
How does a 'zombie' bacterium come back to life?
Scientists have detected unexpected activity in physiologically dead bacteria, deciding when it is safe to 'resurrect' if the environment is friendly to them.
Feeling alone and unhappy accelerates aging more than tobacco
They conclude that psychological factors, such as feeling unhappy, lonely or desperate, add up to 1.65 years to biological age, more than smoking.
They discover a new species of mini orchid in Peru
It is the smallest orchid species that we can find in this South American country.
Plants use 9.4 quadrillion watt-hours of energy a year to suck up sap
The water-drawing power of plants is colossal, new research finds.
Of Viagra, nitric oxide and the Nobel prize
25 million prescriptions in the first three years of its approval and hundreds of deaths due to misuse or abuse are the spectacular figures for Viagra, a drug turned television star.