What is science, why would you study it, and where is the best place to study, intern or work abroad?

What is science?

• Science is the systematic study of the natural world through observation, experimentation, analysis, and evidence-based explanation.
• The discipline tests ideas, builds knowledge, and revises explanations when new evidence changes existing understanding.
• Science provides methods for interpreting organisms, materials, environments, landscapes, societies, and the processes connecting them.

What are the main reasons for being active in the field of science?

• Science offers an intellectual framework for asking questions, testing explanations, and distinguishing evidence from unsupported assumptions.
• The field examines environmental processes such as ecosystems, climate change, biodiversity, geological activity, and interactions between people and nature.
• Scientific methods connect theory with practical investigation through experiments, observations, measurements, models, and systematic analysis.
• Scientific knowledge contributes to public discussions involving healthcare, technology, environmental management, materials, and social development.
• Research frequently crosses national and disciplinary boundaries because many scientific questions require shared data, facilities, methods, and expertise.

What skills do you need to participate in science?

• To analyse: scientific work involves examining observations, identifying patterns, comparing results, and evaluating whether evidence supports a proposed explanation.
• To plan: experiments and research projects require organized procedures, appropriate methods, reliable measurements, realistic schedules, and careful use of resources.
• To communicate: researchers describe methods, present findings, explain uncertainty, and make complex information understandable to professional and public audiences.
• To collaborate: scientific investigations often bring together researchers, technicians, institutions, communities, and specialists from several disciplines or countries.
• To be aware of your surroundings: laboratory and field research require attention to environmental conditions, equipment, samples, safety procedures, and unexpected changes.
• To form an opinion: scientific reasoning involves reaching evidence-based conclusions while remaining open to criticism, uncertainty, replication, and alternative interpretations.

What motivates people to study or work in science?

• Be and feel meaningful with a sense of purpose: science attracts people who value contributing to knowledge about nature, society, health, technology, or environmental processes.
• Be and feel involved: the field suits people who prefer active engagement with observations, experiments, research questions, data, and practical investigation.
• Be and feel connected: scientific communities connect people through shared methods, international cooperation, peer review, public discussion, and collective research projects.
• Be and feel self-aware: scientific inquiry encourages reflection on personal assumptions, methodological choices, possible bias, uncertainty, and the limits of available evidence.
• Be and feel experienced: scientific understanding develops through repeated observation, technical practice, critical feedback, methodical investigation, and sustained engagement with evidence.

What are the best countries and locations to study, intern or work in science?

• Countries with biodiverse ecosystems relevant to biological, ecological, and conservation research: Costa Rica, Brazil, Indonesia, Madagascar.
• Countries with mountain, glacial, or polar environments relevant to Earth and climate sciences: Iceland, Norway, Canada, Greenland.
• Countries with extensive marine and coastal environments relevant to oceanography and marine biology: Australia, New Zealand, Japan, South Africa.
• Countries with tectonic and volcanic landscapes relevant to geoscience and natural-hazard research: Chile, Italy, Philippines, Iceland.
• Countries with dryland environments relevant to water, climate, ecology, and land-management research: Namibia, Morocco, Australia, Mexico.

Where can you find work experience and vacancies for jobs, internships, and voluntary work in science abroad?

• Research organizations and scientific work abroad: suitable for research assistance, laboratory support, field observations, sample processing, data management, and scientific communication.
• Environmental organizations and sustainability abroad: suitable for ecological monitoring, conservation research, restoration projects, environmental education, and field-based data collection.
• Health organizations and medical work abroad: suitable for laboratory assistance, public-health projects, research administration, data collection, and health education.
• Agricultural organizations and animal care abroad: suitable for soil research, agricultural trials, animal monitoring, food-system studies, and practical fieldwork.
• Technical organizations and working in IT: suitable for scientific programming, instrumentation, modelling, technical support, database management, and computational analysis.
• Government institutions and working in policy abroad: suitable for evidence reviews, environmental monitoring, public-data projects, regulatory research, and science-policy support.

What are things to consider when studying or working abroad in science?

• Scientific experience abroad may involve laboratory placements, research projects, internships, field studies, volunteering, or technical assistance: activities around and abroad
• Preparation should address research permissions, documentation, equipment, accommodation, transport, local conditions, language, and laboratory or fieldwork expectations: preparation for successful travel and stay abroad
• Health and insurance arrangements should reflect possible laboratory, fieldwork, climate, chemical, biological, equipment, and remote-location risks: insuring and taking care abroad

Further depth: what is science as a discipline?

What are the main features of science?

Science investigates natural and social phenomena through organized observation, experimentation, analysis, and explanation, while keeping its findings open to testing, replication, and revision.

• Evidence-based inquiry: Scientific explanations depend on observable or measurable evidence gathered through systematic research rather than intuition, authority, or unsupported assumption.
• Objectivity: Scientific methods aim to limit personal bias through transparent procedures, standardized measurements, critical evaluation, and comparison with independently collected evidence.
• Repeatability: Researchers describe their methods clearly so others can repeat investigations, examine results, and determine whether findings remain consistent under similar conditions.
• Knowledge building: Science develops an expanding body of knowledge by connecting individual findings with established theories, models, measurements, and earlier observations.
• Continuous revision: Scientific understanding changes when new evidence, improved instruments, stronger methods, or alternative explanations reveal limitations in existing conclusions.

What are important sub-areas of science?

Science contains several broad branches that investigate different aspects of reality while sharing methods of systematic observation, logical analysis, modelling, and evidence-based explanation.

• Natural sciences: Physics, chemistry, biology, astronomy, geology, and ecology examine matter, energy, organisms, Earth systems, and processes in the physical universe.
• Social sciences: Psychology, sociology, anthropology, economics, and political science investigate human behaviour, institutions, cultures, societies, relationships, and collective decision-making.
• Formal sciences: Mathematics, logic, statistics, and computer science examine abstract structures, symbolic systems, algorithms, relationships, and rules of valid reasoning.
• Physical sciences: Physics and chemistry study forces, motion, energy, matter, substances, reactions, and the fundamental principles governing physical systems.
• Life sciences: Biology and related fields examine organisms, cells, heredity, evolution, physiology, ecosystems, and relationships among living forms.

What are key concepts in science?

Scientific investigation relies on concepts that organize research, connect evidence with explanations, and clarify how natural or social phenomena can be represented and understood.

• Scientific method: Research commonly progresses through observation, question formulation, hypothesis development, testing, analysis, interpretation, and communication of the resulting conclusions.
• Scientific theory: A theory provides a well-supported explanation that connects multiple observations and remains open to further testing or revision.
• Natural law: Scientific laws describe consistent relationships or patterns observed under defined conditions without necessarily explaining why those patterns occur.
• Scientific model: A model simplifies a system or process so researchers can represent relationships, test assumptions, make comparisons, or explore possible outcomes.
• Hypothesis: A hypothesis is a focused and testable proposed explanation that guides the collection, analysis, and evaluation of relevant evidence.

Who are influential figures in science?

Influential scientists have shaped the discipline by developing new theories, experimental methods, observations, or forms of evidence that changed established explanations of nature.

• Galileo Galilei: His astronomical observations and studies of motion strengthened experimental investigation and challenged accepted explanations through systematic measurement and evidence.
• Isaac Newton: His laws of motion and universal gravitation connected terrestrial and celestial phenomena within a mathematical framework for classical mechanics.
• Marie Curie: Her research on radioactivity advanced understanding of atomic phenomena and influenced the development of modern physics, chemistry, and medical applications.
• Charles Darwin: His theory of evolution by natural selection provided an evidence-based explanation for adaptation, biological diversity, and relationships among organisms.
• Albert Einstein: His theories of relativity transformed scientific accounts of space, time, gravity, energy, and the behaviour of physical systems.

Why is science important?

Science provides structured ways to understand complex phenomena, assess evidence, investigate practical problems, and revise explanations when observations do not support existing ideas.

• World understanding: Science explains phenomena ranging from subatomic processes and biological systems to geological change, human behaviour, climate, and the structure of the universe.
• Technological development: Scientific findings contribute to new materials, medical methods, communication systems, instruments, machines, and processes used across society.
• Problem investigation: Scientific methods support the systematic examination of complex questions by breaking them into measurable, testable, and analysable components.
• Healthcare knowledge: Biological, chemical, and medical research contributes to the development and evaluation of diagnostics, treatments, medicines, vaccines, and preventive approaches.
• Critical assessment: Scientific reasoning provides methods for evaluating claims, identifying uncertainty, recognizing methodological limitations, and comparing alternative explanations.

How is science applied in practice?

Scientific knowledge is applied through research, observation, testing, modelling, technical development, and evaluation in laboratories, field locations, institutions, and practical projects.

• Space exploration: Astronomy, physics, engineering, and computer science support the observation of space, planetary research, spacecraft development, and investigation of extraterrestrial environments.
• Medical research: Biology and chemistry contribute to the investigation of diseases and the development, testing, and evaluation of medicines, vaccines, diagnostics, and treatments.
• Climate research: Scientists collect environmental data, model climate systems, examine causes and effects, and evaluate possible mitigation or adaptation approaches.
• Artificial intelligence: Computer science and mathematics support algorithms and systems designed to analyse information, recognize patterns, automate tasks, and solve defined problems.
• Materials science: Researchers investigate the structures and properties of materials to develop substances suited to electronics, construction, medicine, energy, and manufacturing.