125th Anniversary Issue: Science Online Special Feature

125th Anniversary Issue: Science Online Special Feature:
"THE QUESTIONS
The Top 25
Essays by our news staff on 25 big questions facing science over the next quarter-century.
>What Is the Universe Made Of?
>What is the Biological Basis of Consciousness?
>Why Do Humans Have So Few Genes?
>To What Extent Are Genetic Variation and Personal Health Linked?
>Can the Laws of Physics Be Unified?
>How Much Can Human Life Span Be Extended?
>What Controls Organ Regeneration?
>How Can a Skin Cell Become a Nerve Cell?
>How Does a Single Somatic Cell Become a Whole Plant?
>How Does Earth's Interior Work?
>Are We Alone in the Universe?
>How and Where Did Life on Earth Arise?
>What Determines Species Diversity?
>What Genetic Changes Made Us Uniquely Human?
>How Are Memories Stored and Retrieved?
>How Did Cooperative Behavior Evolve?
>How Will Big Pictures Emerge from a Sea of Biological Data?
>How Far Can We Push Chemical Self-Assembly?
>What Are the Limits of Conventional Computing?
>Can We Selectively Shut Off Immune Responses?
>Do Deeper Principles Underlie Quantum Uncertainty and Nonlocality?
>Is an Effective HIV Vaccine Feasible?
>How Hot Will the Greenhouse World Be?
>What Can Replace Cheap Oil -- and When?
>Will Malthus Continue to Be Wrong?

So Much More to Know . . .
A roundup of 100 additional problems that should keep researchers busy for years to come."