Scientists Find a Golden Ball in the Sea. It Is Part of a Sea Animal.

Apr 24, 2026, 10:36
A2

Scientists Find a Golden Ball in the Sea. It Is Part of a Sea Animal.

Introduction

In 2023, scientists found a strange golden ball on the seafloor in the Gulf of Alaska. For two and a half years, they did not know what it was. Now they know it is part of a deep-sea animal called a sea anemone.

Main Body

The ball was 3,250 meters under the water. A NOAA ship picked it up with a special tool. Scientists first thought it could be an egg, a sponge, or something from space. They sent it to a museum in Washington, D.C. First, DNA tests did not work well. Then they did more tests. The DNA matched a big sea anemone called Relicanthus daphneae. A scientist named Allen Collins said it was a hard job to find the answer. NOAA said some deep-sea mysteries take a long time to solve. Captain William Mowitt said new DNA tests help us understand the ocean.

Conclusion

The golden ball is dead cells from the bottom of a sea anemone. It was the part that held the animal to a rock. This answer solves one mystery, but there are still many unknown things in the deep ocean.

Vocabulary Learning

animal
A living thing that is not a plant.動物
Example:A sea anemone is a deep-sea animal.
answer
A reply or solution to a question.答案
Example:Now we have the answer to the mystery.
found
To see or get something that was lost or not known.找到（過去式）
Example:The scientists found a golden ball in the sea.
part
A piece or section of something.部分
Example:The ball is part of a sea animal.
sea
A large area of salt water.海
Example:The golden ball was in the deep sea.

Sentence Learning

In 2023, scientists found a strange golden ball on the seafloor in the Gulf of Alaska.
This sentence uses the past simple tense to talk about a past event. 'Scientists' is the subject, 'found' is the verb.本句使用過去簡單時態談論過去事件。「科學家」是主語，「發現」是動詞。
For two and a half years, they did not know what it was.
This sentence uses the past simple negative 'did not know' to express lack of knowledge. 'They' is the subject.本句使用過去簡單否定式「不知道」來表達缺乏知識。主語是「他們」。
Now they know it is part of a deep-sea animal called a sea anemone.
This sentence uses the present simple tense 'know' and 'is' to state a current fact. 'Called' is a past participle used as an adjective.本句使用現在簡單時態「知道」和「是」來陳述當前事實。「稱為」是過去分詞用作形容詞。
The ball was 3,250 meters under the water.
This sentence uses the past simple tense 'was' to describe the location of the ball. 'Under the water' is a prepositional phrase.本句使用過去簡單時態「是」來描述球的位置。「在水下」是介詞短語。
The golden ball is dead cells from the bottom of a sea anemone.
This sentence uses the present simple tense 'is' to state a fact. 'Dead cells' is a noun phrase.本句使用現在簡單時態「是」來陳述事實。「死細胞」是名詞短語。
B2

NOAA Scientists Identify Mysterious Golden Orb as Remnant of Deep-Sea Anemone After Multi-Year Investigation

Introduction

A golden-colored mass discovered on the seafloor of the Gulf of Alaska in 2023 has been identified as a remnant of a deep-sea anemone, solving a two-and-a-half-year scientific puzzle. The object, which initially confused researchers, was determined through advanced genetic analysis to be the base attachment structure of the species Relicanthus daphneae.

Main Body

The specimen was collected during a National Oceanic and Atmospheric Administration (NOAA) expedition called Seascape Alaska 5, at a depth of about 3,250 meters. When the team first saw it, they were unsure what it was. Their guesses included an egg casing, a sponge, or even material from outer space. The object was retrieved using a suction sampler and then sent to the Smithsonian National Museum of Natural History for further study. Initial DNA testing did not provide clear results because the sample was contaminated by microscopic organisms. However, later whole-genome sequencing confirmed the presence of animal DNA, and a large part of it matched the genetic profile of the giant deep-sea anemone Relicanthus daphneae. Furthermore, mitochondrial genome sequencing showed that the DNA was nearly identical to a reference genome for that species. Allen Collins, a zoologist and director of NOAA Fisheries'' National Systematics Laboratory, described the identification as a difficult task that required expertise in morphology, genetics, deep-sea biology, and bioinformatics. NOAA officials noted that while many deep-sea organisms are quickly identified through team discussions, some discoveries require a long investigation. They emphasized that the identification process took several years because rigorous scientific validation was necessary. Captain William Mowitt, acting director of NOAA Ocean Exploration, stated that such mysteries are common in deep-ocean exploration. He added that advanced techniques like DNA sequencing help solve them, and this work supports the broader goal of understanding ocean resources and their impact on economic security and environmental sustainability.

Conclusion

The golden orb has been confirmed as a relic of a deep-sea anemone, specifically the dead cellular material from its base that once attached to a rocky surface. This finding solves one mystery but highlights how much remains unknown in the deep ocean, where further exploration continues to bring new discoveries.

Vocabulary Learning

contaminated
Made impure or harmful by contact with something unclean or poisonous.受污染的
Example:Initial DNA testing did not provide clear results because the sample was contaminated by microscopic organisms.
expedition
A journey or voyage undertaken by a group of people for a specific purpose, especially exploration.探險隊；遠征
Example:The specimen was collected during a NOAA expedition called Seascape Alaska 5.
puzzle
Something that is difficult to understand or explain; a mystery.謎團
Example:The object initially confused researchers, creating a scientific puzzle.
remnant
A small remaining part of something.殘餘物
Example:The golden orb was identified as a remnant of a deep-sea anemone.
rigorous
Extremely thorough, strict, and accurate.嚴謹的；嚴格的
Example:The identification process took several years because rigorous scientific validation was necessary.

Sentence Learning

The object, which initially confused researchers, was determined through advanced genetic analysis to be the base attachment structure of the species Relicanthus daphneae.
Relative clause 'which initially confused researchers' provides extra information about the object. Passive voice 'was determined' focuses on the object rather than who determined.關係從句「which initially confused researchers」提供關於該物體的額外資訊。被動語態「was determined」強調物體而非誰確定。
Initial DNA testing did not provide clear results because the sample was contaminated by microscopic organisms.
'Because' shows cause-and-effect. Passive voice 'was contaminated' emphasizes the sample.「because」表示因果關係。被動語態「was contaminated」強調樣本。
However, later whole-genome sequencing confirmed the presence of animal DNA, and a large part of it matched the genetic profile of the giant deep-sea anemone Relicanthus daphneae.
'However' contrasts with the previous sentence. 'And' connects two related facts.「However」與前句對比。「and」連接兩個相關事實。
NOAA officials noted that while many deep-sea organisms are quickly identified through team discussions, some discoveries require a long investigation.
'While' introduces a contrast between quick identification and long investigation. Passive voice 'are identified' focuses on the process.「while」引入對比：快速識別與長期調查。被動語態「are identified」強調過程。
This finding solves one mystery but highlights how much remains unknown in the deep ocean, where further exploration continues to bring new discoveries.
'But' shows contrast between solving one mystery and highlighting unknowns. Relative clause 'where further exploration...' describes the deep ocean.「but」表示對比：解決一個謎團與凸顯未知。關係從句「where further exploration...」描述深海。
C2

NOAA Scientists Identify Mysterious Golden Orb as Remnant of Deep-Sea Anemone After Multi-Year Investigation

Introduction

A golden-colored mass discovered on the seafloor of the Gulf of Alaska in 2023 has been identified as a remnant of a deep-sea anemone, resolving a two-and-a-half-year scientific puzzle. The object, initially baffling researchers, was determined through advanced genetic analysis to be the basal attachment structure of the species Relicanthus daphneae.

Main Body

The specimen was recovered during a National Oceanic and Atmospheric Administration (NOAA) expedition, Seascape Alaska 5, at a depth of approximately 3,250 meters. Upon collection, the at-sea team expressed uncertainty about its nature, with speculation ranging from an egg casing to a sponge or extraterrestrial material. The object was retrieved using a suction sampler and transferred to the Smithsonian National Museum of Natural History for examination. Initial DNA barcoding yielded inconclusive results, attributed to contamination from microscopic organisms on the sample. Subsequent whole-genome sequencing confirmed the presence of animal DNA, with a substantial proportion matching the genetic profile of the giant deep-sea anemone Relicanthus daphneae. Further mitochondrial genome sequencing demonstrated near-identical alignment with a reference genome for that species. Allen Collins, a zoologist and director of NOAA Fisheries'' National Systematics Laboratory, characterized the identification as a complex undertaking requiring expertise in morphology, genetics, deep-sea biology, and bioinformatics. NOAA officials noted that while many deep-sea organisms are quickly identified through collaborative discussion, some discoveries require prolonged investigation. The agency emphasized that the identification process was a multi-year effort, reflecting the time necessary for rigorous scientific validation. CAPT William Mowitt, acting director of NOAA Ocean Exploration, stated that such mysteries are common in deep-ocean exploration and that advanced techniques like DNA sequencing enable their resolution, underscoring the broader objective of understanding oceanic resources and their implications for economic security and environmental sustainability.

Conclusion

The golden orb has been confirmed as a relic of a deep-sea anemone, specifically the dead cellular material from its base that once attached to a rocky substrate. This finding resolves a specific mystery but highlights the vast unknowns remaining in the deep ocean, where further exploration continues to yield novel discoveries.

Vocabulary Learning

bioinformatics
The application of computational techniques to analyze biological data, such as genetic sequences.生物信息學（應用計算技術分析生物數據的學科）
Example:The identification required expertise in morphology, genetics, deep-sea biology, and bioinformatics.
inconclusive
Not leading to a definite conclusion; not conclusive.非決定性的；無定論的
Example:Initial DNA barcoding yielded inconclusive results, attributed to contamination from microscopic organisms on the sample.
morphology
The study of the form and structure of organisms, especially in relation to their taxonomy.形態學（研究生物體形態和結構的學科）
Example:Allen Collins characterized the identification as a complex undertaking requiring expertise in morphology, genetics, deep-sea biology, and bioinformatics.
substrate
A surface or material on which an organism lives, grows, or is attached.基底；基質（生物體附著或生長的表面）
Example:The golden orb has been confirmed as a relic of a deep-sea anemone, specifically the dead cellular material from its base that once attached to a rocky substrate.
whole-genome sequencing
A laboratory method that determines the complete DNA sequence of an organism's genome.全基因組測序（確定生物體完整DNA序列的實驗方法）
Example:Subsequent whole-genome sequencing confirmed the presence of animal DNA, with a substantial proportion matching the genetic profile of Relicanthus daphneae.

Sentence Learning

A golden-colored mass discovered on the seafloor of the Gulf of Alaska in 2023 has been identified as a remnant of a deep-sea anemone, resolving a two-and-a-half-year scientific puzzle.
Main clause: 'A golden-colored mass ... has been identified as a remnant of a deep-sea anemone'. The subject 'mass' is modified by a reduced relative clause (participial phrase) 'discovered on the seafloor of the Gulf of Alaska in 2023'. The sentence ends with a present participial phrase 'resolving a two-and-a-half-year scientific puzzle', which functions as an adverbial resultative, indicating the outcome of the identification. This structure uses a passive voice in the main clause and a non-finite clause for conciseness.主要子句：「A golden-colored mass ... has been identified as a remnant of a deep-sea anemone」。主語「mass」由一個縮減關係子句（分詞短語）「discovered on the seafloor of the Gulf of Alaska in 2023」修飾。句子末尾的現在分詞短語「resolving a two-and-a-half-year scientific puzzle」作為結果狀語，表示鑑定的結果。此結構在主句中使用被動語態，並使用非限定子句以達到簡潔。
The object, initially baffling researchers, was determined through advanced genetic analysis to be the basal attachment structure of the species Relicanthus daphneae.
Main clause: 'The object ... was determined ... to be the basal attachment structure'. The subject 'object' is followed by a parenthetical appositive participial phrase 'initially baffling researchers', which provides additional description. The main verb is in passive voice ('was determined'), and the infinitive phrase 'to be the basal attachment structure' serves as the subject complement. The adverbial phrase 'through advanced genetic analysis' indicates the means. This sentence features an appositive phrase and a passive infinitive construction.主要子句：「The object ... was determined ... to be the basal attachment structure」。主語「object」後接一個插入性的同位分詞短語「initially baffling researchers」，提供額外描述。主要動詞為被動語態（「was determined」），不定式短語「to be the basal attachment structure」作為主語補足語。副詞短語「through advanced genetic analysis」表示方式。此句包含同位語短語和被動不定式結構。
Subsequent whole-genome sequencing confirmed the presence of animal DNA, with a substantial proportion matching the genetic profile of the giant deep-sea anemone Relicanthus daphneae.
Main clause: 'Subsequent whole-genome sequencing confirmed the presence of animal DNA'. This is followed by a 'with' absolute construction: 'with a substantial proportion matching the genetic profile ...'. This absolute phrase consists of a noun phrase 'a substantial proportion' and a present participle 'matching', functioning as an adverbial that provides additional detail about the result. The use of the absolute construction adds complexity and conciseness.主要子句：「Subsequent whole-genome sequencing confirmed the presence of animal DNA」。其後接一個「with」獨立結構：「with a substantial proportion matching the genetic profile ...」。此獨立短語由名詞短語「a substantial proportion」和現在分詞「matching」組成，作為狀語提供關於結果的額外細節。使用獨立結構增加了複雜性和簡潔性。
NOAA officials noted that while many deep-sea organisms are quickly identified through collaborative discussion, some discoveries require prolonged investigation.
Main clause: 'NOAA officials noted that ...'. The object is a noun clause introduced by 'that'. Within this noun clause, there is a concessive subordinate clause introduced by 'while': 'while many deep-sea organisms are quickly identified through collaborative discussion', followed by the main clause of the noun clause: 'some discoveries require prolonged investigation'. This structure demonstrates complex subordination with a concessive clause embedded inside a noun clause, showing contrast.主要子句：「NOAA officials noted that ...」。賓語是由「that」引導的名詞子句。在此名詞子句中，有一個由「while」引導的讓步子句：「while many deep-sea organisms are quickly identified through collaborative discussion」，其後是名詞子句的主要子句：「some discoveries require prolonged investigation」。此結構展示了複雜的從屬關係，在名詞子句內嵌一個讓步子句，表達對比。
CAPT William Mowitt, acting director of NOAA Ocean Exploration, stated that such mysteries are common in deep-ocean exploration and that advanced techniques like DNA sequencing enable their resolution, underscoring the broader objective of understanding oceanic resources and their implications for economic security and environmental sustainability.
Main clause: 'CAPT William Mowitt ... stated ...'. The subject is followed by an appositive noun phrase 'acting director of NOAA Ocean Exploration'. The verb 'stated' takes two parallel noun clauses as objects: 'that such mysteries are common in deep-ocean exploration' and 'that advanced techniques like DNA sequencing enable their resolution'. The sentence ends with a present participial phrase 'underscoring the broader objective ...', which modifies the entire preceding clause, providing a consequential commentary. This sentence exhibits multiple levels of subordination, parallelism, and a non-finite clause for rhetorical effect.主要子句：「CAPT William Mowitt ... stated ...」。主語後接一個同位名詞短語「acting director of NOAA Ocean Exploration」。動詞「stated」帶有兩個並列的名詞子句作為賓語：「that such mysteries are common in deep-ocean exploration」和「that advanced techniques like DNA sequencing enable their resolution」。句子末尾的現在分詞短語「underscoring the broader objective ...」修飾整個前面的子句，提供結果性評論。此句展示了多層次的從屬關係、並列結構以及非限定子句的修辭效果。